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Unexpected System.MethodAccessException is thrown for a protected method declared in an interface #13467

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AlekseyTs opened this issue Mar 14, 2019 · 2 comments

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@AlekseyTs
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@AlekseyTs AlekseyTs commented Mar 14, 2019

A number of C# unit-tests in https://github.com/dotnet/roslyn/blob/features/DefaultInterfaceImplementation/src/Compilers/CSharp/Test/Symbol/Symbols/DefaultInterfaceImplementationTests.cs fail due to this exception:


Microsoft.CodeAnalysis.CSharp.UnitTests.Symbols.DefaultInterfaceImplementationTests.ProtectedAccessibility_03 [FAIL]
      Roslyn.Test.Utilities.ExecutionException : 
      Execution failed for assembly '/opt/code/artifacts/tmp/Debug/RoslynTests'.
      Exception: System.MethodAccessException: Method `I1`1[System.Int32].M1()' is inaccessible from method `I2`1[System.Byte].Test(I2`1<int>)'
        at (wrapper managed-to-native) System.Object.__icall_wrapper_mono_throw_method_access(intptr,intptr)
        at I2`1[T].Test (I2`1[T] x) [0x00001] in <7be0eae96d7f46da99482a6dbe3273f4>:0 
        at A.Main () [0x00006] in <7be0eae96d7f46da99482a6dbe3273f4>:0 
        at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
        at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
      ---- System.MethodAccessException : Method `I1`1[System.Int32].M1()' is inaccessible from method `I2`1[System.Byte].Test(I2`1<int>)'
      Stack Trace:
          at Roslyn.Test.Utilities.Desktop.DesktopRuntimeEnvironment.Execute (System.String moduleName, System.String[] args, System.String expectedOutput) [0x000ba] in <7a0837d40aaf41709737a93d3edaf58d>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CompilationVerifier.Emit (System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, System.Collections.Generic.IEnumerable`1[T] manifestResources, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification peVerify, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures) [0x00055] in <7a0837d40aaf41709737a93d3edaf58d>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CommonTestBase.Emit (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Collections.Generic.IEnumerable`1[T] manifestResources, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, System.Action`1[T] assemblyValidator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00016] in <7a0837d40aaf41709737a93d3edaf58d>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CommonTestBase.CompileAndVerifyCommon (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] manifestResources, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Action`1[T] sourceSymbolValidator, System.Action`1[T] assemblyValidator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00074] in <7a0837d40aaf41709737a93d3edaf58d>:0 
          at Microsoft.CodeAnalysis.CSharp.Test.Utilities.CSharpTestBase.CompileAndVerify (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] manifestResources, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Action`1[T] sourceSymbolValidator, System.Action`1[T] validator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00016] in <47eb8e86073c4b89bb2480a228dd30ac>:0 
          at Microsoft.CodeAnalysis.CSharp.UnitTests.Symbols.DefaultInterfaceImplementationTests.ProtectedAccessibility_03 () [0x00066] in <af2001e61cea498da1e1275d7a12908d>:0 
          at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
          at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
        ----- Inner Stack Trace -----
          at (wrapper managed-to-native) System.Object.__icall_wrapper_mono_throw_method_access(intptr,intptr)
          at I2`1[T].Test (I2`1[T] x) [0x00001] in <7be0eae96d7f46da99482a6dbe3273f4>:0 
          at A.Main () [0x00006] in <7be0eae96d7f46da99482a6dbe3273f4>:0 
          at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
          at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
    Microsoft.CodeAnalysis.CSharp.UnitTests.Symbols.DefaultInterfaceImplementationTests.NestedTypes_04 [FAIL]
      Roslyn.Test.Utilities.ExecutionException : 
      Execution failed for assembly '/opt/code/artifacts/tmp/Debug/RoslynTests'.
      Exception: System.MethodAccessException: Method `I1+T1.M1()' is inaccessible from method `Test1.Main()'
        at (wrapper managed-to-native) System.Object.__icall_wrapper_mono_throw_method_access(intptr,intptr)
        at Test1.Main () [0x00007] in <16ee0cc6e2dc468291a98b78345d0c47>:0 
        at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
        at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
      ---- System.MethodAccessException : Method `I1+T1.M1()' is inaccessible from method `Test1.Main()'
      Stack Trace:
          at Roslyn.Test.Utilities.Desktop.DesktopRuntimeEnvironment.Execute (System.String moduleName, System.String[] args, System.String expectedOutput) [0x000ba] in <7a0837d40aaf41709737a93d3edaf58d>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CompilationVerifier.Emit (System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, System.Collections.Generic.IEnumerable`1[T] manifestResources, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification peVerify, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures) [0x00055] in <7a0837d40aaf41709737a93d3edaf58d>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CommonTestBase.Emit (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Collections.Generic.IEnumerable`1[T] manifestResources, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, System.Action`1[T] assemblyValidator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00016] in <7a0837d40aaf41709737a93d3edaf58d>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CommonTestBase.CompileAndVerifyCommon (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] manifestResources, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Action`1[T] sourceSymbolValidator, System.Action`1[T] assemblyValidator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00074] in <7a0837d40aaf41709737a93d3edaf58d>:0 
          at Microsoft.CodeAnalysis.CSharp.Test.Utilities.CSharpTestBase.CompileAndVerify (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] manifestResources, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Action`1[T] sourceSymbolValidator, System.Action`1[T] validator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00016] in <47eb8e86073c4b89bb2480a228dd30ac>:0 
          at Microsoft.CodeAnalysis.CSharp.UnitTests.Symbols.DefaultInterfaceImplementationTests.ValidateNestedTypes_01 (System.String source1, Microsoft.CodeAnalysis.Accessibility expected, Roslyn.Test.Utilities.TargetFramework targetFramework, System.Boolean execute, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x0005b] in <af2001e61cea498da1e1275d7a12908d>:0 
          at Microsoft.CodeAnalysis.CSharp.UnitTests.Symbols.DefaultInterfaceImplementationTests.NestedTypes_04 () [0x00021] in <af2001e61cea498da1e1275d7a12908d>:0 
          at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
          at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
        ----- Inner Stack Trace -----
          at (wrapper managed-to-native) System.Object.__icall_wrapper_mono_throw_method_access(intptr,intptr)
          at Test1.Main () [0x00007] in <16ee0cc6e2dc468291a98b78345d0c47>:0 
          at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
          at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
    Microsoft.CodeAnalysis.CSharp.UnitTests.Symbols.DefaultInterfaceImplementationTests.MethodImplementationInDerived_28 [FAIL]
      Roslyn.Test.Utilities.ExecutionException : 
      Execution failed for assembly ''.
      Exception: System.MethodAccessException: Method `I2.M1()' is inaccessible from method `I6.Test(I6)'
        at (wrapper managed-to-native) System.Object.__icall_wrapper_mono_throw_method_access(intptr,intptr)
        at I6.Test (I6 i2) [0x00001] in <84d4bd6c924849da80504d5d3552da85>:0 
        at Test1.Main () [0x00006] in <84d4bd6c924849da80504d5d3552da85>:0 
        at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
        at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
      ---- System.MethodAccessException : Method `I2.M1()' is inaccessible from method `I6.Test(I6)'
      Stack Trace:
          at Roslyn.Test.Utilities.Desktop.DesktopRuntimeEnvironment.Execute (System.String moduleName, System.String[] args, System.String expectedOutput) [0x000ba] in <7a0837d40aaf41709737a93d3edaf58d>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CompilationVerifier.Emit (System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, System.Collections.Generic.IEnumerable`1[T] manifestResources, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification peVerify, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures) [0x00055] in <7a0837d40aaf41709737a93d3edaf58d>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CommonTestBase.Emit (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Collections.Generic.IEnumerable`1[T] manifestResources, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, System.Action`1[T] assemblyValidator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00016] in <7a0837d40aaf41709737a93d3edaf58d>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CommonTestBase.CompileAndVerifyCommon (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] manifestResources, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Action`1[T] sourceSymbolValidator, System.Action`1[T] assemblyValidator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00074] in <7a0837d40aaf41709737a93d3edaf58d>:0 
          at Microsoft.CodeAnalysis.CSharp.Test.Utilities.CSharpTestBase.CompileAndVerify (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] manifestResources, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Action`1[T] sourceSymbolValidator, System.Action`1[T] validator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00016] in <47eb8e86073c4b89bb2480a228dd30ac>:0 
          at Microsoft.CodeAnalysis.CSharp.UnitTests.Symbols.DefaultInterfaceImplementationTests.MethodImplementationInDerived_28 () [0x00082] in <af2001e61cea498da1e1275d7a12908d>:0 
          at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
          at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
        ----- Inner Stack Trace -----
          at (wrapper managed-to-native) System.Object.__icall_wrapper_mono_throw_method_access(intptr,intptr)
          at I6.Test (I6 i2) [0x00001] in <84d4bd6c924849da80504d5d3552da85>:0 
          at Test1.Main () [0x00006] in <84d4bd6c924849da80504d5d3552da85>:0 
          at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
          at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
    Microsoft.CodeAnalysis.CSharp.UnitTests.Symbols.DefaultInterfaceImplementationTests.ExplicitBase_162 [FAIL]
      Roslyn.Test.Utilities.ExecutionException : 
      Execution failed for assembly '/opt/code/artifacts/tmp/Debug/RoslynTests'.
      Exception: System.MethodAccessException: Method `B.C.get_F1()' is inaccessible from method `E.Test()'
        at (wrapper managed-to-native) System.Object.__icall_wrapper_mono_throw_method_access(intptr,intptr)
        at E.Test () [0x00001] in <4b90d3f79cbd4e36ad02e4b9635f6d24>:0 
        at A.Main () [0x00020] in <4b90d3f79cbd4e36ad02e4b9635f6d24>:0 
        at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
        at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
      ---- System.MethodAccessException : Method `B.C.get_F1()' is inaccessible from method `E.Test()'
      Stack Trace:
          at Roslyn.Test.Utilities.Desktop.DesktopRuntimeEnvironment.Execute (System.String moduleName, System.String[] args, System.String expectedOutput) [0x000ba] in <7a0837d40aaf41709737a93d3edaf58d>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CompilationVerifier.Emit (System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, System.Collections.Generic.IEnumerable`1[T] manifestResources, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification peVerify, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures) [0x00055] in <7a0837d40aaf41709737a93d3edaf58d>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CommonTestBase.Emit (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Collections.Generic.IEnumerable`1[T] manifestResources, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, System.Action`1[T] assemblyValidator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00016] in <7a0837d40aaf41709737a93d3edaf58d>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CommonTestBase.CompileAndVerifyCommon (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] manifestResources, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Action`1[T] sourceSymbolValidator, System.Action`1[T] assemblyValidator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00074] in <7a0837d40aaf41709737a93d3edaf58d>:0 
          at Microsoft.CodeAnalysis.CSharp.Test.Utilities.CSharpTestBase.CompileAndVerify (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] manifestResources, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Action`1[T] sourceSymbolValidator, System.Action`1[T] validator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00016] in <47eb8e86073c4b89bb2480a228dd30ac>:0 
          at Microsoft.CodeAnalysis.CSharp.UnitTests.Symbols.DefaultInterfaceImplementationTests.ExplicitBase_162 () [0x00858] in <af2001e61cea498da1e1275d7a12908d>:0 
          at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
          at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
        ----- Inner Stack Trace -----
          at (wrapper managed-to-native) System.Object.__icall_wrapper_mono_throw_method_access(intptr,intptr)
          at E.Test () [0x00001] in <4b90d3f79cbd4e36ad02e4b9635f6d24>:0 
          at A.Main () [0x00020] in <4b90d3f79cbd4e36ad02e4b9635f6d24>:0 
          at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
          at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
    Microsoft.CodeAnalysis.CSharp.UnitTests.Symbols.DefaultInterfaceImplementationTests.ExplicitBase_157 [FAIL]
      Roslyn.Test.Utilities.ExecutionException : 
      Execution failed for assembly '/opt/code/artifacts/tmp/Debug/RoslynTests'.
      Exception: System.MethodAccessException: Method `B.C.F1(int)' is inaccessible from method `E.Test()'
        at (wrapper managed-to-native) System.Object.__icall_wrapper_mono_throw_method_access(intptr,intptr)
        at E.Test () [0x00001] in <2fb4065a936c41d6a22ab28aceacccef>:0 
        at A.Main () [0x00020] in <2fb4065a936c41d6a22ab28aceacccef>:0 
        at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
        at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
      ---- System.MethodAccessException : Method `B.C.F1(int)' is inaccessible from method `E.Test()'
      Stack Trace:
          at Roslyn.Test.Utilities.Desktop.DesktopRuntimeEnvironment.Execute (System.String moduleName, System.String[] args, System.String expectedOutput) [0x000ba] in <7a0837d40aaf41709737a93d3edaf58d>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CompilationVerifier.Emit (System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, System.Collections.Generic.IEnumerable`1[T] manifestResources, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification peVerify, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures) [0x00055] in <7a0837d40aaf41709737a93d3edaf58d>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CommonTestBase.Emit (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Collections.Generic.IEnumerable`1[T] manifestResources, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, System.Action`1[T] assemblyValidator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00016] in <7a0837d40aaf41709737a93d3edaf58d>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CommonTestBase.CompileAndVerifyCommon (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] manifestResources, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Action`1[T] sourceSymbolValidator, System.Action`1[T] assemblyValidator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00074] in <7a0837d40aaf41709737a93d3edaf58d>:0 
          at Microsoft.CodeAnalysis.CSharp.Test.Utilities.CSharpTestBase.CompileAndVerify (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] manifestResources, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Action`1[T] sourceSymbolValidator, System.Action`1[T] validator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00016] in <47eb8e86073c4b89bb2480a228dd30ac>:0 
          at Microsoft.CodeAnalysis.CSharp.UnitTests.Symbols.DefaultInterfaceImplementationTests.ExplicitBase_157 () [0x000d6] in <af2001e61cea498da1e1275d7a12908d>:0 
          at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
          at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
        ----- Inner Stack Trace -----
          at (wrapper managed-to-native) System.Object.__icall_wrapper_mono_throw_method_access(intptr,intptr)
          at E.Test () [0x00001] in <2fb4065a936c41d6a22ab28aceacccef>:0 
          at A.Main () [0x00020] in <2fb4065a936c41d6a22ab28aceacccef>:0 
          at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
          at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
    Microsoft.CodeAnalysis.CSharp.UnitTests.Symbols.DefaultInterfaceImplementationTests.ExplicitBase_165 [FAIL]
      Roslyn.Test.Utilities.ExecutionException : 
      Execution failed for assembly ''.
      Exception: System.MethodAccessException: Method `B.C.add_F1(System.Action)' is inaccessible from method `E.Test()'
        at (wrapper managed-to-native) System.Object.__icall_wrapper_mono_throw_method_access(intptr,intptr)
        at E.Test () [0x00001] in <dc03914e85204a61bcef8fa83c8d7208>:0 
        at A.Main () [0x00020] in <dc03914e85204a61bcef8fa83c8d7208>:0 
        at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
        at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
      ---- System.MethodAccessException : Method `B.C.add_F1(System.Action)' is inaccessible from method `E.Test()'
      Stack Trace:
          at Roslyn.Test.Utilities.Desktop.DesktopRuntimeEnvironment.Execute (System.String moduleName, System.String[] args, System.String expectedOutput) [0x000ba] in <7a0837d40aaf41709737a93d3edaf58d>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CompilationVerifier.Emit (System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, System.Collections.Generic.IEnumerable`1[T] manifestResources, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification peVerify, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures) [0x00055] in <7a0837d40aaf41709737a93d3edaf58d>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CommonTestBase.Emit (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Collections.Generic.IEnumerable`1[T] manifestResources, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, System.Action`1[T] assemblyValidator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00016] in <7a0837d40aaf41709737a93d3edaf58d>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CommonTestBase.CompileAndVerifyCommon (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] manifestResources, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Action`1[T] sourceSymbolValidator, System.Action`1[T] assemblyValidator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00074] in <7a0837d40aaf41709737a93d3edaf58d>:0 
          at Microsoft.CodeAnalysis.CSharp.Test.Utilities.CSharpTestBase.CompileAndVerify (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] manifestResources, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Action`1[T] sourceSymbolValidator, System.Action`1[T] validator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00016] in <47eb8e86073c4b89bb2480a228dd30ac>:0 
          at Microsoft.CodeAnalysis.CSharp.UnitTests.Symbols.DefaultInterfaceImplementationTests.ExplicitBase_165 () [0x00342] in <af2001e61cea498da1e1275d7a12908d>:0 
          at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
          at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
        ----- Inner Stack Trace -----
          at (wrapper managed-to-native) System.Object.__icall_wrapper_mono_throw_method_access(intptr,intptr)
          at E.Test () [0x00001] in <dc03914e85204a61bcef8fa83c8d7208>:0 
          at A.Main () [0x00020] in <dc03914e85204a61bcef8fa83c8d7208>:0 
          at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
          at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
    Microsoft.CodeAnalysis.CSharp.UnitTests.Symbols.DefaultInterfaceImplementationTests.ProtectedAccessibility_06 [FAIL]
      Roslyn.Test.Utilities.ExecutionException : 
      Execution failed for assembly ''.
      Exception: System.MethodAccessException: Method `I1`1[System.Int32].M1()' is inaccessible from method `I2`1[System.Byte].Test()'
        at (wrapper managed-to-native) System.Object.__icall_wrapper_mono_throw_method_access(intptr,intptr)
        at I2`1[T].Test () [0x00001] in <c0ca4f50d2684e2686ab1669161d8b56>:0 
        at A.Main () [0x00001] in <c0ca4f50d2684e2686ab1669161d8b56>:0 
        at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
        at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
      ---- System.MethodAccessException : Method `I1`1[System.Int32].M1()' is inaccessible from method `I2`1[System.Byte].Test()'
      Stack Trace:
          at Roslyn.Test.Utilities.Desktop.DesktopRuntimeEnvironment.Execute (System.String moduleName, System.String[] args, System.String expectedOutput) [0x000ba] in <7a0837d40aaf41709737a93d3edaf58d>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CompilationVerifier.Emit (System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, System.Collections.Generic.IEnumerable`1[T] manifestResources, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification peVerify, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures) [0x00055] in <7a0837d40aaf41709737a93d3edaf58d>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CommonTestBase.Emit (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Collections.Generic.IEnumerable`1[T] manifestResources, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, System.Action`1[T] assemblyValidator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00016] in <7a0837d40aaf41709737a93d3edaf58d>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CommonTestBase.CompileAndVerifyCommon (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] manifestResources, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Action`1[T] sourceSymbolValidator, System.Action`1[T] assemblyValidator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00074] in <7a0837d40aaf41709737a93d3edaf58d>:0 
          at Microsoft.CodeAnalysis.CSharp.Test.Utilities.CSharpTestBase.CompileAndVerify (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] manifestResources, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Action`1[T] sourceSymbolValidator, System.Action`1[T] validator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00016] in <47eb8e86073c4b89bb2480a228dd30ac>:0 
          at Microsoft.CodeAnalysis.CSharp.UnitTests.Symbols.DefaultInterfaceImplementationTests.ProtectedAccessibility_06 () [0x00066] in <af2001e61cea498da1e1275d7a12908d>:0 
          at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
          at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
        ----- Inner Stack Trace -----
          at (wrapper managed-to-native) System.Object.__icall_wrapper_mono_throw_method_access(intptr,intptr)
          at I2`1[T].Test () [0x00001] in <c0ca4f50d2684e2686ab1669161d8b56>:0 
          at A.Main () [0x00001] in <c0ca4f50d2684e2686ab1669161d8b56>:0 
          at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
          at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
    Microsoft.CodeAnalysis.CSharp.UnitTests.Symbols.DefaultInterfaceImplementationTests.ExplicitBase_159 [FAIL]
      Roslyn.Test.Utilities.ExecutionException : 
      Execution failed for assembly ''.
      Exception: System.MethodAccessException: Method `B.C.F1(int)' is inaccessible from method `E.Test()'
        at (wrapper managed-to-native) System.Object.__icall_wrapper_mono_throw_method_access(intptr,intptr)
        at E.Test () [0x00001] in <beea1cc3db7d42088aec32c531fd5e90>:0 
        at A.Main () [0x00020] in <beea1cc3db7d42088aec32c531fd5e90>:0 
        at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
        at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
      ---- System.MethodAccessException : Method `B.C.F1(int)' is inaccessible from method `E.Test()'
      Stack Trace:
          at Roslyn.Test.Utilities.Desktop.DesktopRuntimeEnvironment.Execute (System.String moduleName, System.String[] args, System.String expectedOutput) [0x000ba] in <7a0837d40aaf41709737a93d3edaf58d>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CompilationVerifier.Emit (System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, System.Collections.Generic.IEnumerable`1[T] manifestResources, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification peVerify, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures) [0x00055] in <7a0837d40aaf41709737a93d3edaf58d>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CommonTestBase.Emit (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Collections.Generic.IEnumerable`1[T] manifestResources, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, System.Action`1[T] assemblyValidator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00016] in <7a0837d40aaf41709737a93d3edaf58d>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CommonTestBase.CompileAndVerifyCommon (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] manifestResources, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Action`1[T] sourceSymbolValidator, System.Action`1[T] assemblyValidator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00074] in <7a0837d40aaf41709737a93d3edaf58d>:0 
          at Microsoft.CodeAnalysis.CSharp.Test.Utilities.CSharpTestBase.CompileAndVerify (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] manifestResources, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Action`1[T] sourceSymbolValidator, System.Action`1[T] validator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00016] in <47eb8e86073c4b89bb2480a228dd30ac>:0 
          at Microsoft.CodeAnalysis.CSharp.UnitTests.Symbols.DefaultInterfaceImplementationTests.ExplicitBase_159 () [0x00342] in <af2001e61cea498da1e1275d7a12908d>:0 
          at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
          at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
        ----- Inner Stack Trace -----
          at (wrapper managed-to-native) System.Object.__icall_wrapper_mono_throw_method_access(intptr,intptr)
          at E.Test () [0x00001] in <beea1cc3db7d42088aec32c531fd5e90>:0 
          at A.Main () [0x00020] in <beea1cc3db7d42088aec32c531fd5e90>:0 
          at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
          at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
    Microsoft.CodeAnalysis.CSharp.UnitTests.Symbols.DefaultInterfaceImplementationTests.ProtectedAccessibility_07 [FAIL]
      Roslyn.Test.Utilities.ExecutionException : 
      Execution failed for assembly ''.
      Exception: System.MethodAccessException: Method `I1`1[System.Int32].M1()' is inaccessible from method `I2`1[System.Byte].Test()'
        at (wrapper managed-to-native) System.Object.__icall_wrapper_mono_throw_method_access(intptr,intptr)
        at I2`1[T].Test () [0x00001] in <485826ba4dcf4ca89726a542a6d708cd>:0 
        at A.Main () [0x00001] in <485826ba4dcf4ca89726a542a6d708cd>:0 
        at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
        at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
      ---- System.MethodAccessException : Method `I1`1[System.Int32].M1()' is inaccessible from method `I2`1[System.Byte].Test()'
      Stack Trace:
          at Roslyn.Test.Utilities.Desktop.DesktopRuntimeEnvironment.Execute (System.String moduleName, System.String[] args, System.String expectedOutput) [0x000ba] in <7a0837d40aaf41709737a93d3edaf58d>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CompilationVerifier.Emit (System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, System.Collections.Generic.IEnumerable`1[T] manifestResources, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification peVerify, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures) [0x00055] in <7a0837d40aaf41709737a93d3edaf58d>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CommonTestBase.Emit (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Collections.Generic.IEnumerable`1[T] manifestResources, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, System.Action`1[T] assemblyValidator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00016] in <7a0837d40aaf41709737a93d3edaf58d>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CommonTestBase.CompileAndVerifyCommon (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] manifestResources, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Action`1[T] sourceSymbolValidator, System.Action`1[T] assemblyValidator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00074] in <7a0837d40aaf41709737a93d3edaf58d>:0 
          at Microsoft.CodeAnalysis.CSharp.Test.Utilities.CSharpTestBase.CompileAndVerify (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] manifestResources, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Action`1[T] sourceSymbolValidator, System.Action`1[T] validator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00016] in <47eb8e86073c4b89bb2480a228dd30ac>:0 
          at Microsoft.CodeAnalysis.CSharp.UnitTests.Symbols.DefaultInterfaceImplementationTests.ProtectedAccessibility_07 () [0x00065] in <af2001e61cea498da1e1275d7a12908d>:0 
          at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
          at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
        ----- Inner Stack Trace -----
          at (wrapper managed-to-native) System.Object.__icall_wrapper_mono_throw_method_access(intptr,intptr)
          at I2`1[T].Test () [0x00001] in <485826ba4dcf4ca89726a542a6d708cd>:0 
          at A.Main () [0x00001] in <485826ba4dcf4ca89726a542a6d708cd>:0 
          at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
          at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
    Microsoft.CodeAnalysis.CSharp.UnitTests.Symbols.DefaultInterfaceImplementationTests.NestedTypes_05 [FAIL]
      Roslyn.Test.Utilities.ExecutionException : 
      Execution failed for assembly ''.
      Exception: System.MethodAccessException: Method `I1+T1.M1()' is inaccessible from method `Test1.Main()'
        at (wrapper managed-to-native) System.Object.__icall_wrapper_mono_throw_method_access(intptr,intptr)
        at Test1.Main () [0x00007] in <8ad4dd3b1b6c4a9abc7ec97d5d9af9d5>:0 
        at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
        at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
      ---- System.MethodAccessException : Method `I1+T1.M1()' is inaccessible from method `Test1.Main()'
      Stack Trace:
          at Roslyn.Test.Utilities.Desktop.DesktopRuntimeEnvironment.Execute (System.String moduleName, System.String[] args, System.String expectedOutput) [0x000ba] in <7a0837d40aaf41709737a93d3edaf58d>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CompilationVerifier.Emit (System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, System.Collections.Generic.IEnumerable`1[T] manifestResources, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification peVerify, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures) [0x00055] in <7a0837d40aaf41709737a93d3edaf58d>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CommonTestBase.Emit (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Collections.Generic.IEnumerable`1[T] manifestResources, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, System.Action`1[T] assemblyValidator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00016] in <7a0837d40aaf41709737a93d3edaf58d>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CommonTestBase.CompileAndVerifyCommon (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] manifestResources, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Action`1[T] sourceSymbolValidator, System.Action`1[T] assemblyValidator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00074] in <7a0837d40aaf41709737a93d3edaf58d>:0 
          at Microsoft.CodeAnalysis.CSharp.Test.Utilities.CSharpTestBase.CompileAndVerify (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] manifestResources, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Action`1[T] sourceSymbolValidator, System.Action`1[T] validator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00016] in <47eb8e86073c4b89bb2480a228dd30ac>:0 
          at Microsoft.CodeAnalysis.CSharp.UnitTests.Symbols.DefaultInterfaceImplementationTests.NestedTypes_05 () [0x0024d] in <af2001e61cea498da1e1275d7a12908d>:0 
          at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
          at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
        ----- Inner Stack Trace -----
          at (wrapper managed-to-native) System.Object.__icall_wrapper_mono_throw_method_access(intptr,intptr)
          at Test1.Main () [0x00007] in <8ad4dd3b1b6c4a9abc7ec97d5d9af9d5>:0 
          at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
          at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
    Microsoft.CodeAnalysis.CSharp.UnitTests.Symbols.DefaultInterfaceImplementationTests.ExplicitBase_161 [FAIL]
      Roslyn.Test.Utilities.ExecutionException : 
      Execution failed for assembly ''.
      Exception: System.MethodAccessException: Method `B.C.get_F1()' is inaccessible from method `E.Test()'
        at (wrapper managed-to-native) System.Object.__icall_wrapper_mono_throw_method_access(intptr,intptr)
        at E.Test () [0x00001] in <d85805cd8456463abb32d4a2e55ce96a>:0 
        at A.Main () [0x00020] in <d85805cd8456463abb32d4a2e55ce96a>:0 
        at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
        at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
      ---- System.MethodAccessException : Method `B.C.get_F1()' is inaccessible from method `E.Test()'
      Stack Trace:
          at Roslyn.Test.Utilities.Desktop.DesktopRuntimeEnvironment.Execute (System.String moduleName, System.String[] args, System.String expectedOutput) [0x000ba] in <7a0837d40aaf41709737a93d3edaf58d>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CompilationVerifier.Emit (System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, System.Collections.Generic.IEnumerable`1[T] manifestResources, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification peVerify, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures) [0x00055] in <7a0837d40aaf41709737a93d3edaf58d>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CommonTestBase.Emit (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Collections.Generic.IEnumerable`1[T] manifestResources, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, System.Action`1[T] assemblyValidator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00016] in <7a0837d40aaf41709737a93d3edaf58d>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CommonTestBase.CompileAndVerifyCommon (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] manifestResources, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Action`1[T] sourceSymbolValidator, System.Action`1[T] assemblyValidator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00074] in <7a0837d40aaf41709737a93d3edaf58d>:0 
          at Microsoft.CodeAnalysis.CSharp.Test.Utilities.CSharpTestBase.CompileAndVerify (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] manifestResources, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Action`1[T] sourceSymbolValidator, System.Action`1[T] validator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00016] in <47eb8e86073c4b89bb2480a228dd30ac>:0 
          at Microsoft.CodeAnalysis.CSharp.UnitTests.Symbols.DefaultInterfaceImplementationTests.ExplicitBase_161 () [0x000d6] in <af2001e61cea498da1e1275d7a12908d>:0 
          at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
          at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
        ----- Inner Stack Trace -----
          at (wrapper managed-to-native) System.Object.__icall_wrapper_mono_throw_method_access(intptr,intptr)
          at E.Test () [0x00001] in <d85805cd8456463abb32d4a2e55ce96a>:0 
          at A.Main () [0x00020] in <d85805cd8456463abb32d4a2e55ce96a>:0 
          at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
          at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
    Microsoft.CodeAnalysis.CSharp.UnitTests.Symbols.DefaultInterfaceImplementationTests.ExplicitBase_163 [FAIL]
      Roslyn.Test.Utilities.ExecutionException : 
      Execution failed for assembly ''.
      Exception: System.MethodAccessException: Method `B.C.add_F1(System.Action)' is inaccessible from method `E.Test()'
        at (wrapper managed-to-native) System.Object.__icall_wrapper_mono_throw_method_access(intptr,intptr)
        at E.Test () [0x00001] in <617bdd3729c44d33a760666291c81c18>:0 
        at A.Main () [0x00020] in <617bdd3729c44d33a760666291c81c18>:0 
        at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
        at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
      ---- System.MethodAccessException : Method `B.C.add_F1(System.Action)' is inaccessible from method `E.Test()'
      Stack Trace:
          at Roslyn.Test.Utilities.Desktop.DesktopRuntimeEnvironment.Execute (System.String moduleName, System.String[] args, System.String expectedOutput) [0x000ba] in <7a0837d40aaf41709737a93d3edaf58d>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CompilationVerifier.Emit (System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, System.Collections.Generic.IEnumerable`1[T] manifestResources, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification peVerify, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures) [0x00055] in <7a0837d40aaf41709737a93d3edaf58d>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CommonTestBase.Emit (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Collections.Generic.IEnumerable`1[T] manifestResources, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, System.Action`1[T] assemblyValidator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00016] in <7a0837d40aaf41709737a93d3edaf58d>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CommonTestBase.CompileAndVerifyCommon (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] manifestResources, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Action`1[T] sourceSymbolValidator, System.Action`1[T] assemblyValidator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00074] in <7a0837d40aaf41709737a93d3edaf58d>:0 
          at Microsoft.CodeAnalysis.CSharp.Test.Utilities.CSharpTestBase.CompileAndVerify (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] manifestResources, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Action`1[T] sourceSymbolValidator, System.Action`1[T] validator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00016] in <47eb8e86073c4b89bb2480a228dd30ac>:0 
          at Microsoft.CodeAnalysis.CSharp.UnitTests.Symbols.DefaultInterfaceImplementationTests.ExplicitBase_163 () [0x000d6] in <af2001e61cea498da1e1275d7a12908d>:0 
          at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
          at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
        ----- Inner Stack Trace -----
          at (wrapper managed-to-native) System.Object.__icall_wrapper_mono_throw_method_access(intptr,intptr)
          at E.Test () [0x00001] in <617bdd3729c44d33a760666291c81c18>:0 
          at A.Main () [0x00020] in <617bdd3729c44d33a760666291c81c18>:0 
          at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
          at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
    Microsoft.CodeAnalysis.CSharp.UnitTests.Symbols.DefaultInterfaceImplementationTests.ExplicitBase_164 [FAIL]
      Roslyn.Test.Utilities.ExecutionException : 
      Execution failed for assembly ''.
      Exception: System.MethodAccessException: Method `B.C.add_F1(System.Action)' is inaccessible from method `E.Test()'
        at (wrapper managed-to-native) System.Object.__icall_wrapper_mono_throw_method_access(intptr,intptr)
        at E.Test () [0x00001] in <7240138396ad40eeb1dfa9c37c96d7eb>:0 
        at A.Main () [0x00020] in <7240138396ad40eeb1dfa9c37c96d7eb>:0 
        at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
        at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
      ---- System.MethodAccessException : Method `B.C.add_F1(System.Action)' is inaccessible from method `E.Test()'
      Stack Trace:
          at Roslyn.Test.Utilities.Desktop.DesktopRuntimeEnvironment.Execute (System.String moduleName, System.String[] args, System.String expectedOutput) [0x000ba] in <7a0837d40aaf41709737a93d3edaf58d>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CompilationVerifier.Emit (System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, System.Collections.Generic.IEnumerable`1[T] manifestResources, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification peVerify, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures) [0x00055] in <7a0837d40aaf41709737a93d3edaf58d>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CommonTestBase.Emit (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Collections.Generic.IEnumerable`1[T] manifestResources, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, System.Action`1[T] assemblyValidator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00016] in <7a0837d40aaf41709737a93d3edaf58d>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CommonTestBase.CompileAndVerifyCommon (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] manifestResources, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Action`1[T] sourceSymbolValidator, System.Action`1[T] assemblyValidator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00074] in <7a0837d40aaf41709737a93d3edaf58d>:0 
          at Microsoft.CodeAnalysis.CSharp.Test.Utilities.CSharpTestBase.CompileAndVerify (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] manifestResources, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Action`1[T] sourceSymbolValidator, System.Action`1[T] validator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00016] in <47eb8e86073c4b89bb2480a228dd30ac>:0 
          at Microsoft.CodeAnalysis.CSharp.UnitTests.Symbols.DefaultInterfaceImplementationTests.ExplicitBase_164 () [0x000d6] in <af2001e61cea498da1e1275d7a12908d>:0 
          at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
          at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
        ----- Inner Stack Trace -----
          at (wrapper managed-to-native) System.Object.__icall_wrapper_mono_throw_method_access(intptr,intptr)
          at E.Test () [0x00001] in <7240138396ad40eeb1dfa9c37c96d7eb>:0 
          at A.Main () [0x00020] in <7240138396ad40eeb1dfa9c37c96d7eb>:0 
          at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
          at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
    Microsoft.CodeAnalysis.CSharp.UnitTests.Symbols.DefaultInterfaceImplementationTests.ExplicitBase_158 [FAIL]
      Roslyn.Test.Utilities.ExecutionException : 
      Execution failed for assembly ''.
      Exception: System.MethodAccessException: Method `B.C.F1(int)' is inaccessible from method `E.Test()'
        at (wrapper managed-to-native) System.Object.__icall_wrapper_mono_throw_method_access(intptr,intptr)
        at E.Test () [0x00001] in <42316dc5999243c7b73635c9f7a4097d>:0 
        at A.Main () [0x00020] in <42316dc5999243c7b73635c9f7a4097d>:0 
        at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
        at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
      ---- System.MethodAccessException : Method `B.C.F1(int)' is inaccessible from method `E.Test()'
      Stack Trace:
          at Roslyn.Test.Utilities.Desktop.DesktopRuntimeEnvironment.Execute (System.String moduleName, System.String[] args, System.String expectedOutput) [0x000ba] in <7a0837d40aaf41709737a93d3edaf58d>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CompilationVerifier.Emit (System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, System.Collections.Generic.IEnumerable`1[T] manifestResources, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification peVerify, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures) [0x00055] in <7a0837d40aaf41709737a93d3edaf58d>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CommonTestBase.Emit (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Collections.Generic.IEnumerable`1[T] manifestResources, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, System.Action`1[T] assemblyValidator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00016] in <7a0837d40aaf41709737a93d3edaf58d>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CommonTestBase.CompileAndVerifyCommon (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] manifestResources, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Action`1[T] sourceSymbolValidator, System.Action`1[T] assemblyValidator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00074] in <7a0837d40aaf41709737a93d3edaf58d>:0 
          at Microsoft.CodeAnalysis.CSharp.Test.Utilities.CSharpTestBase.CompileAndVerify (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] manifestResources, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Action`1[T] sourceSymbolValidator, System.Action`1[T] validator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00016] in <47eb8e86073c4b89bb2480a228dd30ac>:0 
          at Microsoft.CodeAnalysis.CSharp.UnitTests.Symbols.DefaultInterfaceImplementationTests.ExplicitBase_158 () [0x000d6] in <af2001e61cea498da1e1275d7a12908d>:0 
          at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
          at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
        ----- Inner Stack Trace -----
          at (wrapper managed-to-native) System.Object.__icall_wrapper_mono_throw_method_access(intptr,intptr)
          at E.Test () [0x00001] in <42316dc5999243c7b73635c9f7a4097d>:0 
          at A.Main () [0x00020] in <42316dc5999243c7b73635c9f7a4097d>:0 
          at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
          at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
    Microsoft.CodeAnalysis.CSharp.UnitTests.Symbols.DefaultInterfaceImplementationTests.ExplicitBase_160 [FAIL]
      Roslyn.Test.Utilities.ExecutionException : 
      Execution failed for assembly ''.
      Exception: System.MethodAccessException: Method `B.C.get_F1()' is inaccessible from method `E.Test()'
        at (wrapper managed-to-native) System.Object.__icall_wrapper_mono_throw_method_access(intptr,intptr)
        at E.Test () [0x00001] in <674e5195afdc4782a45004b2f44a1f2e>:0 
        at A.Main () [0x00020] in <674e5195afdc4782a45004b2f44a1f2e>:0 
        at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
        at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
      ---- System.MethodAccessException : Method `B.C.get_F1()' is inaccessible from method `E.Test()'
      Stack Trace:
          at Roslyn.Test.Utilities.Desktop.DesktopRuntimeEnvironment.Execute (System.String moduleName, System.String[] args, System.String expectedOutput) [0x000ba] in <7a0837d40aaf41709737a93d3edaf58d>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CompilationVerifier.Emit (System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, System.Collections.Generic.IEnumerable`1[T] manifestResources, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification peVerify, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures) [0x00055] in <7a0837d40aaf41709737a93d3edaf58d>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CommonTestBase.Emit (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Collections.Generic.IEnumerable`1[T] manifestResources, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, System.Action`1[T] assemblyValidator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00016] in <7a0837d40aaf41709737a93d3edaf58d>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CommonTestBase.CompileAndVerifyCommon (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] manifestResources, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Action`1[T] sourceSymbolValidator, System.Action`1[T] assemblyValidator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00074] in <7a0837d40aaf41709737a93d3edaf58d>:0 
          at Microsoft.CodeAnalysis.CSharp.Test.Utilities.CSharpTestBase.CompileAndVerify (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] manifestResources, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Action`1[T] sourceSymbolValidator, System.Action`1[T] validator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00016] in <47eb8e86073c4b89bb2480a228dd30ac>:0 
          at Microsoft.CodeAnalysis.CSharp.UnitTests.Symbols.DefaultInterfaceImplementationTests.ExplicitBase_160 () [0x000d6] in <af2001e61cea498da1e1275d7a12908d>:0 
          at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
          at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
        ----- Inner Stack Trace -----
          at (wrapper managed-to-native) System.Object.__icall_wrapper_mono_throw_method_access(intptr,intptr)
          at E.Test () [0x00001] in <674e5195afdc4782a45004b2f44a1f2e>:0 
          at A.Main () [0x00020] in <674e5195afdc4782a45004b2f44a1f2e>:0 
          at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
          at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
    Microsoft.CodeAnalysis.CSharp.UnitTests.Symbols.DefaultInterfaceImplementationTests.MethodImplementationInDerived_30 [FAIL]
      Roslyn.Test.Utilities.ExecutionException : 
      Execution failed for assembly ''.
      Exception: System.MethodAccessException: Method `I2.M1()' is inaccessible from method `I6.Test(I6)'
        at (wrapper managed-to-native) System.Object.__icall_wrapper_mono_throw_method_access(intptr,intptr)
        at I6.Test (I6 i2) [0x00001] in <2ded594f8c1849feadedd3428d8d043c>:0 
        at Test1.Main () [0x00006] in <2ded594f8c1849feadedd3428d8d043c>:0 
        at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
        at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
      ---- System.MethodAccessException : Method `I2.M1()' is inaccessible from method `I6.Test(I6)'
      Stack Trace:
          at Roslyn.Test.Utilities.Desktop.DesktopRuntimeEnvironment.Execute (System.String moduleName, System.String[] args, System.String expectedOutput) [0x000ba] in <7a0837d40aaf41709737a93d3edaf58d>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CompilationVerifier.Emit (System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, System.Collections.Generic.IEnumerable`1[T] manifestResources, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification peVerify, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures) [0x00055] in <7a0837d40aaf41709737a93d3edaf58d>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CommonTestBase.Emit (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Collections.Generic.IEnumerable`1[T] manifestResources, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, System.Action`1[T] assemblyValidator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00016] in <7a0837d40aaf41709737a93d3edaf58d>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CommonTestBase.CompileAndVerifyCommon (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] manifestResources, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Action`1[T] sourceSymbolValidator, System.Action`1[T] assemblyValidator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00074] in <7a0837d40aaf41709737a93d3edaf58d>:0 
          at Microsoft.CodeAnalysis.CSharp.Test.Utilities.CSharpTestBase.CompileAndVerify (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] manifestResources, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Action`1[T] sourceSymbolValidator, System.Action`1[T] validator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00016] in <47eb8e86073c4b89bb2480a228dd30ac>:0 
          at Microsoft.CodeAnalysis.CSharp.UnitTests.Symbols.DefaultInterfaceImplementationTests.MethodImplementationInDerived_30 () [0x00082] in <af2001e61cea498da1e1275d7a12908d>:0 
          at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
          at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
        ----- Inner Stack Trace -----
          at (wrapper managed-to-native) System.Object.__icall_wrapper_mono_throw_method_access(intptr,intptr)
          at I6.Test (I6 i2) [0x00001] in <2ded594f8c1849feadedd3428d8d043c>:0 
          at Test1.Main () [0x00006] in <2ded594f8c1849feadedd3428d8d043c>:0 
          at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
          at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
    Microsoft.CodeAnalysis.CSharp.UnitTests.Symbols.DefaultInterfaceImplementationTests.NestedTypes_09 [FAIL]
      Roslyn.Test.Utilities.ExecutionException : 
      Execution failed for assembly ''.
      Exception: System.MethodAccessException: Method `I1+T1.M1()' is inaccessible from method `Test1.Main()'
        at (wrapper managed-to-native) System.Object.__icall_wrapper_mono_throw_method_access(intptr,intptr)
        at Test1.Main () [0x00007] in <e70b646f38a246e8a07db23dcab079fd>:0 
        at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
        at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
      ---- System.MethodAccessException : Method `I1+T1.M1()' is inaccessible from method `Test1.Main()'
      Stack Trace:
          at Roslyn.Test.Utilities.Desktop.DesktopRuntimeEnvironment.Execute (System.String moduleName, System.String[] args, System.String expectedOutput) [0x000ba] in <7a0837d40aaf41709737a93d3edaf58d>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CompilationVerifier.Emit (System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, System.Collections.Generic.IEnumerable`1[T] manifestResources, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification peVerify, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures) [0x00055] in <7a0837d40aaf41709737a93d3edaf58d>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CommonTestBase.Emit (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Collections.Generic.IEnumerable`1[T] manifestResources, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, System.Action`1[T] assemblyValidator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00016] in <7a0837d40aaf41709737a93d3edaf58d>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CommonTestBase.CompileAndVerifyCommon (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] manifestResources, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Action`1[T] sourceSymbolValidator, System.Action`1[T] assemblyValidator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00074] in <7a0837d40aaf41709737a93d3edaf58d>:0 
          at Microsoft.CodeAnalysis.CSharp.Test.Utilities.CSharpTestBase.CompileAndVerify (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] manifestResources, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Action`1[T] sourceSymbolValidator, System.Action`1[T] validator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00016] in <47eb8e86073c4b89bb2480a228dd30ac>:0 
          at Microsoft.CodeAnalysis.CSharp.UnitTests.Symbols.DefaultInterfaceImplementationTests.ValidateNestedTypes_01 (System.String source1, Microsoft.CodeAnalysis.Accessibility expected, Roslyn.Test.Utilities.TargetFramework targetFramework, System.Boolean execute, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x0005b] in <af2001e61cea498da1e1275d7a12908d>:0 
          at Microsoft.CodeAnalysis.CSharp.UnitTests.Symbols.DefaultInterfaceImplementationTests.NestedTypes_09 () [0x00027] in <af2001e61cea498da1e1275d7a12908d>:0 
          at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
          at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
        ----- Inner Stack Trace -----
          at (wrapper managed-to-native) System.Object.__icall_wrapper_mono_throw_method_access(intptr,intptr)
          at Test1.Main () [0x00007] in <e70b646f38a246e8a07db23dcab079fd>:0 
          at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
          at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
  Finished:    Microsoft.CodeAnalysis.CSharp.Symbol.UnitTests
=== TEST EXECUTION SUMMARY ===
   Microsoft.CodeAnalysis.CSharp.Symbol.UnitTests  Total: 4985, Errors: 0, Failed: 17, Skipped: 391, Time: 100.233s
=== COMMAND LINE ===
"/opt/code/eng/invoke-mono.sh"  "/opt/code/.packages/xunit.runner.console/2.4.1-pre.build.4059/tools/net472/xunit.console.exe" "/opt/code/artifacts/bin/Microsoft.CodeAnalysis.CSharp.Symbol.UnitTests/Debug/net472/Microsoft.CodeAnalysis.CSharp.Symbol.UnitTests.dll" -noshadow -xml "/opt/code/artifacts/TestResults/Debug/Microsoft.CodeAnalysis.CSharp.Symbol.UnitTests_net472_x64.xml" -html "/opt/code/artifacts/TestResults/Debug/Microsoft.CodeAnalysis.CSharp.Symbol.UnitTests_net472_x64.html"  > "/opt/code/artifacts/log/Debug/Microsoft.CodeAnalysis.CSharp.Symbol.UnitTests_net472_x64.log" 2>&1
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@AlekseyTs AlekseyTs commented Mar 14, 2019

More similar failures in this PR dotnet/roslyn#34121:

bash: warning: setlocale: LC_ALL: cannot change locale (en_US.UTF-8)
xUnit.net Console Runner v2.4.1-pre.build.4059 (64-bit Desktop .NET 4.7.2, runtime: 4.0.30319.42000)
    Microsoft.CodeAnalysis.CSharp.UnitTests.Symbols.DefaultInterfaceImplementationTests.ExplicitBase_152 [FAIL]
      Roslyn.Test.Utilities.ExecutionException : 
      Execution failed for assembly '/opt/code/artifacts/tmp/Debug/RoslynTests'.
      Exception: System.MethodAccessException: Method `B.C.F1()' is inaccessible from method `E.Test()'
        at (wrapper managed-to-native) System.Object.__icall_wrapper_mono_throw_method_access(intptr,intptr)
        at E.Test () [0x00001] in <7603bc7650ba4110828eb7d8d39a7239>:0 
        at A.Main () [0x00020] in <7603bc7650ba4110828eb7d8d39a7239>:0 
        at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
        at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
      ---- System.MethodAccessException : Method `B.C.F1()' is inaccessible from method `E.Test()'
      Stack Trace:
          at Roslyn.Test.Utilities.Desktop.DesktopRuntimeEnvironment.Execute (System.String moduleName, System.String[] args, System.String expectedOutput) [0x000ba] in <8b291d796cef4c79902d135f7cf4d044>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CompilationVerifier.Emit (System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, System.Collections.Generic.IEnumerable`1[T] manifestResources, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification peVerify, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures) [0x00055] in <8b291d796cef4c79902d135f7cf4d044>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CommonTestBase.Emit (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Collections.Generic.IEnumerable`1[T] manifestResources, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, System.Action`1[T] assemblyValidator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00016] in <8b291d796cef4c79902d135f7cf4d044>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CommonTestBase.CompileAndVerifyCommon (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] manifestResources, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Action`1[T] sourceSymbolValidator, System.Action`1[T] assemblyValidator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00074] in <8b291d796cef4c79902d135f7cf4d044>:0 
          at Microsoft.CodeAnalysis.CSharp.Test.Utilities.CSharpTestBase.CompileAndVerify (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] manifestResources, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Action`1[T] sourceSymbolValidator, System.Action`1[T] validator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00016] in <958d00dcc095443b8b89cbc9dee4cac3>:0 
          at Microsoft.CodeAnalysis.CSharp.UnitTests.Symbols.DefaultInterfaceImplementationTests.ExplicitBase_152 () [0x00163] in <0eed2391470f45eda45b7d6e49f23936>:0 
          at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
          at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
        ----- Inner Stack Trace -----
          at (wrapper managed-to-native) System.Object.__icall_wrapper_mono_throw_method_access(intptr,intptr)
          at E.Test () [0x00001] in <7603bc7650ba4110828eb7d8d39a7239>:0 
          at A.Main () [0x00020] in <7603bc7650ba4110828eb7d8d39a7239>:0 
          at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
          at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
    Microsoft.CodeAnalysis.CSharp.UnitTests.Symbols.DefaultInterfaceImplementationTests.ExplicitBase_150 [FAIL]
      Roslyn.Test.Utilities.ExecutionException : 
      Execution failed for assembly ''.
      Exception: System.MethodAccessException: Method `B.D.F1()' is inaccessible from method `E.Test()'
        at (wrapper managed-to-native) System.Object.__icall_wrapper_mono_throw_method_access(intptr,intptr)
        at E.Test () [0x00001] in <6838f98c73304165a453ebc3029cabaa>:0 
        at A.Main () [0x00020] in <6838f98c73304165a453ebc3029cabaa>:0 
        at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
        at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
      ---- System.MethodAccessException : Method `B.D.F1()' is inaccessible from method `E.Test()'
      Stack Trace:
          at Roslyn.Test.Utilities.Desktop.DesktopRuntimeEnvironment.Execute (System.String moduleName, System.String[] args, System.String expectedOutput) [0x000ba] in <8b291d796cef4c79902d135f7cf4d044>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CompilationVerifier.Emit (System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, System.Collections.Generic.IEnumerable`1[T] manifestResources, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification peVerify, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures) [0x00055] in <8b291d796cef4c79902d135f7cf4d044>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CommonTestBase.Emit (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Collections.Generic.IEnumerable`1[T] manifestResources, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, System.Action`1[T] assemblyValidator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00016] in <8b291d796cef4c79902d135f7cf4d044>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CommonTestBase.CompileAndVerifyCommon (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] manifestResources, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Action`1[T] sourceSymbolValidator, System.Action`1[T] assemblyValidator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00074] in <8b291d796cef4c79902d135f7cf4d044>:0 
          at Microsoft.CodeAnalysis.CSharp.Test.Utilities.CSharpTestBase.CompileAndVerify (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] manifestResources, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Action`1[T] sourceSymbolValidator, System.Action`1[T] validator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00016] in <958d00dcc095443b8b89cbc9dee4cac3>:0 
          at Microsoft.CodeAnalysis.CSharp.UnitTests.Symbols.DefaultInterfaceImplementationTests.ExplicitBase_150 () [0x00066] in <0eed2391470f45eda45b7d6e49f23936>:0 
          at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
          at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
        ----- Inner Stack Trace -----
          at (wrapper managed-to-native) System.Object.__icall_wrapper_mono_throw_method_access(intptr,intptr)
          at E.Test () [0x00001] in <6838f98c73304165a453ebc3029cabaa>:0 
          at A.Main () [0x00020] in <6838f98c73304165a453ebc3029cabaa>:0 
          at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
          at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
    Microsoft.CodeAnalysis.CSharp.UnitTests.Symbols.DefaultInterfaceImplementationTests.ExplicitBase_142 [FAIL]
      Roslyn.Test.Utilities.ExecutionException : 
      Execution failed for assembly ''.
      Exception: System.MethodAccessException: Method `B.C.add_F1(System.Action)' is inaccessible from method `E.Test()'
        at (wrapper managed-to-native) System.Object.__icall_wrapper_mono_throw_method_access(intptr,intptr)
        at E.Test () [0x00001] in <5287256fa34f4fb9a8e47d2fda0dbb27>:0 
        at A.Main () [0x00020] in <5287256fa34f4fb9a8e47d2fda0dbb27>:0 
        at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
        at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
      ---- System.MethodAccessException : Method `B.C.add_F1(System.Action)' is inaccessible from method `E.Test()'
      Stack Trace:
          at Roslyn.Test.Utilities.Desktop.DesktopRuntimeEnvironment.Execute (System.String moduleName, System.String[] args, System.String expectedOutput) [0x000ba] in <8b291d796cef4c79902d135f7cf4d044>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CompilationVerifier.Emit (System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, System.Collections.Generic.IEnumerable`1[T] manifestResources, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification peVerify, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures) [0x00055] in <8b291d796cef4c79902d135f7cf4d044>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CommonTestBase.Emit (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Collections.Generic.IEnumerable`1[T] manifestResources, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, System.Action`1[T] assemblyValidator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00016] in <8b291d796cef4c79902d135f7cf4d044>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CommonTestBase.CompileAndVerifyCommon (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] manifestResources, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Action`1[T] sourceSymbolValidator, System.Action`1[T] assemblyValidator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00074] in <8b291d796cef4c79902d135f7cf4d044>:0 
          at Microsoft.CodeAnalysis.CSharp.Test.Utilities.CSharpTestBase.CompileAndVerify (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] manifestResources, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Action`1[T] sourceSymbolValidator, System.Action`1[T] validator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00016] in <958d00dcc095443b8b89cbc9dee4cac3>:0 
          at Microsoft.CodeAnalysis.CSharp.UnitTests.Symbols.DefaultInterfaceImplementationTests.ExplicitBase_142 () [0x000d9] in <0eed2391470f45eda45b7d6e49f23936>:0 
          at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
          at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
        ----- Inner Stack Trace -----
          at (wrapper managed-to-native) System.Object.__icall_wrapper_mono_throw_method_access(intptr,intptr)
          at E.Test () [0x00001] in <5287256fa34f4fb9a8e47d2fda0dbb27>:0 
          at A.Main () [0x00020] in <5287256fa34f4fb9a8e47d2fda0dbb27>:0 
          at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
          at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
    Microsoft.CodeAnalysis.CSharp.UnitTests.Symbols.DefaultInterfaceImplementationTests.ExplicitBase_138 [FAIL]
      Roslyn.Test.Utilities.ExecutionException : 
      Execution failed for assembly '/opt/code/artifacts/tmp/Debug/RoslynTests'.
      Exception: System.MethodAccessException: Method `B.C.get_Item(int)' is inaccessible from method `E.Test()'
        at (wrapper managed-to-native) System.Object.__icall_wrapper_mono_throw_method_access(intptr,intptr)
        at E.Test () [0x00001] in <bf860867fa8f4e769fd0efa95a3dd580>:0 
        at A.Main () [0x00020] in <bf860867fa8f4e769fd0efa95a3dd580>:0 
        at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
        at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
      ---- System.MethodAccessException : Method `B.C.get_Item(int)' is inaccessible from method `E.Test()'
      Stack Trace:
          at Roslyn.Test.Utilities.Desktop.DesktopRuntimeEnvironment.Execute (System.String moduleName, System.String[] args, System.String expectedOutput) [0x000ba] in <8b291d796cef4c79902d135f7cf4d044>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CompilationVerifier.Emit (System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, System.Collections.Generic.IEnumerable`1[T] manifestResources, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification peVerify, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures) [0x00055] in <8b291d796cef4c79902d135f7cf4d044>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CommonTestBase.Emit (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Collections.Generic.IEnumerable`1[T] manifestResources, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, System.Action`1[T] assemblyValidator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00016] in <8b291d796cef4c79902d135f7cf4d044>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CommonTestBase.CompileAndVerifyCommon (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] manifestResources, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Action`1[T] sourceSymbolValidator, System.Action`1[T] assemblyValidator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00074] in <8b291d796cef4c79902d135f7cf4d044>:0 
          at Microsoft.CodeAnalysis.CSharp.Test.Utilities.CSharpTestBase.CompileAndVerify (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] manifestResources, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Action`1[T] sourceSymbolValidator, System.Action`1[T] validator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00016] in <958d00dcc095443b8b89cbc9dee4cac3>:0 
          at Microsoft.CodeAnalysis.CSharp.UnitTests.Symbols.DefaultInterfaceImplementationTests.ExplicitBase_138 () [0x000df] in <0eed2391470f45eda45b7d6e49f23936>:0 
          at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
          at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
        ----- Inner Stack Trace -----
          at (wrapper managed-to-native) System.Object.__icall_wrapper_mono_throw_method_access(intptr,intptr)
          at E.Test () [0x00001] in <bf860867fa8f4e769fd0efa95a3dd580>:0 
          at A.Main () [0x00020] in <bf860867fa8f4e769fd0efa95a3dd580>:0 
          at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
          at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
    Microsoft.CodeAnalysis.CSharp.UnitTests.Symbols.DefaultInterfaceImplementationTests.ExplicitBase_130 [FAIL]
      Roslyn.Test.Utilities.ExecutionException : 
      Execution failed for assembly ''.
      Exception: System.MethodAccessException: Method `B.C.get_F1()' is inaccessible from method `E.Test()'
        at (wrapper managed-to-native) System.Object.__icall_wrapper_mono_throw_method_access(intptr,intptr)
        at E.Test () [0x00001] in <c6704e5f44c64b5ab47a8b46911e6852>:0 
        at A.Main () [0x00020] in <c6704e5f44c64b5ab47a8b46911e6852>:0 
        at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
        at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
      ---- System.MethodAccessException : Method `B.C.get_F1()' is inaccessible from method `E.Test()'
      Stack Trace:
          at Roslyn.Test.Utilities.Desktop.DesktopRuntimeEnvironment.Execute (System.String moduleName, System.String[] args, System.String expectedOutput) [0x000ba] in <8b291d796cef4c79902d135f7cf4d044>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CompilationVerifier.Emit (System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, System.Collections.Generic.IEnumerable`1[T] manifestResources, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification peVerify, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures) [0x00055] in <8b291d796cef4c79902d135f7cf4d044>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CommonTestBase.Emit (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Collections.Generic.IEnumerable`1[T] manifestResources, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, System.Action`1[T] assemblyValidator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00016] in <8b291d796cef4c79902d135f7cf4d044>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CommonTestBase.CompileAndVerifyCommon (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] manifestResources, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Action`1[T] sourceSymbolValidator, System.Action`1[T] assemblyValidator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00074] in <8b291d796cef4c79902d135f7cf4d044>:0 
          at Microsoft.CodeAnalysis.CSharp.Test.Utilities.CSharpTestBase.CompileAndVerify (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] manifestResources, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Action`1[T] sourceSymbolValidator, System.Action`1[T] validator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00016] in <958d00dcc095443b8b89cbc9dee4cac3>:0 
          at Microsoft.CodeAnalysis.CSharp.UnitTests.Symbols.DefaultInterfaceImplementationTests.ExplicitBase_130 () [0x000d9] in <0eed2391470f45eda45b7d6e49f23936>:0 
          at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
          at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
        ----- Inner Stack Trace -----
          at (wrapper managed-to-native) System.Object.__icall_wrapper_mono_throw_method_access(intptr,intptr)
          at E.Test () [0x00001] in <c6704e5f44c64b5ab47a8b46911e6852>:0 
          at A.Main () [0x00020] in <c6704e5f44c64b5ab47a8b46911e6852>:0 
          at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
          at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
    Microsoft.CodeAnalysis.CSharp.UnitTests.Symbols.DefaultInterfaceImplementationTests.ExplicitBase_151 [FAIL]
      Roslyn.Test.Utilities.ExecutionException : 
      Execution failed for assembly '/opt/code/artifacts/tmp/Debug/RoslynTests'.
      Exception: System.MethodAccessException: Method `B.C.F1()' is inaccessible from method `E.Test()'
        at (wrapper managed-to-native) System.Object.__icall_wrapper_mono_throw_method_access(intptr,intptr)
        at E.Test () [0x00001] in <2d04db43507249aa81f74d18911efc4b>:0 
        at A.Main () [0x00020] in <2d04db43507249aa81f74d18911efc4b>:0 
        at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
        at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
      ---- System.MethodAccessException : Method `B.C.F1()' is inaccessible from method `E.Test()'
      Stack Trace:
          at Roslyn.Test.Utilities.Desktop.DesktopRuntimeEnvironment.Execute (System.String moduleName, System.String[] args, System.String expectedOutput) [0x000ba] in <8b291d796cef4c79902d135f7cf4d044>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CompilationVerifier.Emit (System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, System.Collections.Generic.IEnumerable`1[T] manifestResources, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification peVerify, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures) [0x00055] in <8b291d796cef4c79902d135f7cf4d044>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CommonTestBase.Emit (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Collections.Generic.IEnumerable`1[T] manifestResources, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, System.Action`1[T] assemblyValidator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00016] in <8b291d796cef4c79902d135f7cf4d044>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CommonTestBase.CompileAndVerifyCommon (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] manifestResources, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Action`1[T] sourceSymbolValidator, System.Action`1[T] assemblyValidator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00074] in <8b291d796cef4c79902d135f7cf4d044>:0 
          at Microsoft.CodeAnalysis.CSharp.Test.Utilities.CSharpTestBase.CompileAndVerify (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] manifestResources, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Action`1[T] sourceSymbolValidator, System.Action`1[T] validator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00016] in <958d00dcc095443b8b89cbc9dee4cac3>:0 
          at Microsoft.CodeAnalysis.CSharp.UnitTests.Symbols.DefaultInterfaceImplementationTests.ExplicitBase_151 () [0x00163] in <0eed2391470f45eda45b7d6e49f23936>:0 
          at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
          at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
        ----- Inner Stack Trace -----
          at (wrapper managed-to-native) System.Object.__icall_wrapper_mono_throw_method_access(intptr,intptr)
          at E.Test () [0x00001] in <2d04db43507249aa81f74d18911efc4b>:0 
          at A.Main () [0x00020] in <2d04db43507249aa81f74d18911efc4b>:0 
          at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
          at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
    Microsoft.CodeAnalysis.CSharp.UnitTests.Symbols.DefaultInterfaceImplementationTests.ExplicitBase_125 [FAIL]
      Roslyn.Test.Utilities.ExecutionException : 
      Execution failed for assembly ''.
      Exception: System.MethodAccessException: Method `B.C.F1(int)' is inaccessible from method `E.Test()'
        at (wrapper managed-to-native) System.Object.__icall_wrapper_mono_throw_method_access(intptr,intptr)
        at E.Test () [0x00001] in <9d3a2349a844402983cfafa4228d92fb>:0 
        at A.Main () [0x00020] in <9d3a2349a844402983cfafa4228d92fb>:0 
        at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
        at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
      ---- System.MethodAccessException : Method `B.C.F1(int)' is inaccessible from method `E.Test()'
      Stack Trace:
          at Roslyn.Test.Utilities.Desktop.DesktopRuntimeEnvironment.Execute (System.String moduleName, System.String[] args, System.String expectedOutput) [0x000ba] in <8b291d796cef4c79902d135f7cf4d044>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CompilationVerifier.Emit (System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, System.Collections.Generic.IEnumerable`1[T] manifestResources, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification peVerify, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures) [0x00055] in <8b291d796cef4c79902d135f7cf4d044>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CommonTestBase.Emit (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Collections.Generic.IEnumerable`1[T] manifestResources, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, System.Action`1[T] assemblyValidator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00016] in <8b291d796cef4c79902d135f7cf4d044>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CommonTestBase.CompileAndVerifyCommon (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] manifestResources, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Action`1[T] sourceSymbolValidator, System.Action`1[T] assemblyValidator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00074] in <8b291d796cef4c79902d135f7cf4d044>:0 
          at Microsoft.CodeAnalysis.CSharp.Test.Utilities.CSharpTestBase.CompileAndVerify (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] manifestResources, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Action`1[T] sourceSymbolValidator, System.Action`1[T] validator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00016] in <958d00dcc095443b8b89cbc9dee4cac3>:0 
          at Microsoft.CodeAnalysis.CSharp.UnitTests.Symbols.DefaultInterfaceImplementationTests.ExplicitBase_125 () [0x000d9] in <0eed2391470f45eda45b7d6e49f23936>:0 
          at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
          at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
        ----- Inner Stack Trace -----
          at (wrapper managed-to-native) System.Object.__icall_wrapper_mono_throw_method_access(intptr,intptr)
          at E.Test () [0x00001] in <9d3a2349a844402983cfafa4228d92fb>:0 
          at A.Main () [0x00020] in <9d3a2349a844402983cfafa4228d92fb>:0 
          at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
          at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
    Microsoft.CodeAnalysis.CSharp.UnitTests.Symbols.DefaultInterfaceImplementationTests.ExplicitBase_125_Delegate [FAIL]
      Roslyn.Test.Utilities.ExecutionException : 
      Execution failed for assembly ''.
      Exception: System.MethodAccessException: Method `B.C.F1(int)' is inaccessible from method `E.Test()'
        at (wrapper managed-to-native) System.Object.__icall_wrapper_mono_throw_method_access(intptr,intptr)
        at E.Test () [0x00001] in <90661576e74c4ed2bf035718db9cc7bd>:0 
        at A.Main () [0x00020] in <90661576e74c4ed2bf035718db9cc7bd>:0 
        at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
        at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
      ---- System.MethodAccessException : Method `B.C.F1(int)' is inaccessible from method `E.Test()'
      Stack Trace:
          at Roslyn.Test.Utilities.Desktop.DesktopRuntimeEnvironment.Execute (System.String moduleName, System.String[] args, System.String expectedOutput) [0x000ba] in <8b291d796cef4c79902d135f7cf4d044>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CompilationVerifier.Emit (System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, System.Collections.Generic.IEnumerable`1[T] manifestResources, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification peVerify, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures) [0x00055] in <8b291d796cef4c79902d135f7cf4d044>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CommonTestBase.Emit (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Collections.Generic.IEnumerable`1[T] manifestResources, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, System.Action`1[T] assemblyValidator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00016] in <8b291d796cef4c79902d135f7cf4d044>:0 
          at Microsoft.CodeAnalysis.Test.Utilities.CommonTestBase.CompileAndVerifyCommon (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] manifestResources, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Action`1[T] sourceSymbolValidator, System.Action`1[T] assemblyValidator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00074] in <8b291d796cef4c79902d135f7cf4d044>:0 
          at Microsoft.CodeAnalysis.CSharp.Test.Utilities.CSharpTestBase.CompileAndVerify (Microsoft.CodeAnalysis.Compilation compilation, System.Collections.Generic.IEnumerable`1[T] manifestResources, System.Collections.Generic.IEnumerable`1[T] dependencies, System.Action`1[T] sourceSymbolValidator, System.Action`1[T] validator, System.Action`1[T] symbolValidator, Microsoft.CodeAnalysis.Test.Utilities.SignatureDescription[] expectedSignatures, System.String expectedOutput, System.Nullable`1[T] expectedReturnCode, System.String[] args, Microsoft.CodeAnalysis.Emit.EmitOptions emitOptions, Microsoft.CodeAnalysis.Test.Utilities.Verification verify) [0x00016] in <958d00dcc095443b8b89cbc9dee4cac3>:0 
          at Microsoft.CodeAnalysis.CSharp.UnitTests.Symbols.DefaultInterfaceImplementationTests.ExplicitBase_125_Delegate () [0x000d9] in <0eed2391470f45eda45b7d6e49f23936>:0 
          at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
          at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
        ----- Inner Stack Trace -----
          at (wrapper managed-to-native) System.Object.__icall_wrapper_mono_throw_method_access(intptr,intptr)
          at E.Test () [0x00001] in <90661576e74c4ed2bf035718db9cc7bd>:0 
          at A.Main () [0x00020] in <90661576e74c4ed2bf035718db9cc7bd>:0 
          at (wrapper managed-to-native) System.Reflection.RuntimeMethodInfo.InternalInvoke(System.Reflection.RuntimeMethodInfo,object,object[],System.Exception&)
          at System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x0006a] in <5c08ba3606524216b0550d239122568a>:0 
  Finished:    Microsoft.CodeAnalysis.CSharp.Symbol.UnitTests
=== TEST EXECUTION SUMMARY ===
   Microsoft.CodeAnalysis.CSharp.Symbol.UnitTests  Total: 4985, Errors: 0, Failed: 8, Skipped: 408, Time: 78.896s
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@AlekseyTs AlekseyTs commented Mar 14, 2019

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