[mcs] Resize identifier buffer in all cases. Fixes #28292

mono · Mar 25, 2015 · de86cb9 · de86cb9
1 parent db2a67f
commit de86cb9
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diff --git a/mcs/mcs/cs-tokenizer.cs b/mcs/mcs/cs-tokenizer.cs
@@ -3931,6 +3931,9 @@ int TokenizeInterpolatedString ()
 						if (pos == value_builder.Length)
 							Array.Resize (ref value_builder, pos * 2);
 
+						if (pos == value_builder.Length)
+							Array.Resize (ref value_builder, pos * 2);
+
 						value_builder [pos++] = (char)ch;
 						ch = surrogate;
 					}
@@ -3941,6 +3944,9 @@ int TokenizeInterpolatedString ()
 				}
 
 				++col;
+				if (pos == value_builder.Length)
+					Array.Resize (ref value_builder, pos * 2);
+
 				value_builder[pos++] = (char) ch;
 			}
 		}

diff --git a/mcs/tests/test-interpolation-05.cs b/mcs/tests/test-interpolation-05.cs
@@ -8,6 +8,11 @@ void Test1 ()
 		Console.WriteLine(b ? $"{1:0.00}" : $"bar");
 	}
 
+	void Test2 ()
+	{
+		Console.WriteLine($"This should work but the compiler explodes if the string is too long!");		
+	}
+
 	public static void Main()
 	{
 	}

diff --git a/mcs/tests/ver-il-net_4_5.xml b/mcs/tests/ver-il-net_4_5.xml
@@ -66692,6 +66692,9 @@
       <method name="Void .ctor()" attrs="6278">
         <size>7</size>
       </method>
+      <method name="Void Test2()" attrs="129">
+        <size>12</size>
+      </method>
     </type>
   </test>
   <test name="test-iter-01.cs">