Merge pull request #8486 from RazvanN7/Issue_19076

[REG] Fix Issue 19076 - dmd 2.081 crashed by getVirtualFunctions for a interface extended interface
dlang · Jul 11, 2018 · e810f3f · e810f3f
2 parents 55094b1 + 945a58e
commit e810f3f
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diff --git a/src/dmd/traits.d b/src/dmd/traits.d
@@ -1010,7 +1010,7 @@ extern (C++) Expression semanticTraits(TraitsExp e, Scope* sc)
             // If the symbol passed as a parameter is an
             // interface that inherits other interfaces
             overloadApply(f, &dg);
-            if (ifd && ifd.interfaces)
+            if (ifd && ifd.interfaces && f)
             {
                 // check the overloads of each inherited interface individually
                 foreach (bc; ifd.interfaces)

diff --git a/test/fail_compilation/fail19076.d b/test/fail_compilation/fail19076.d
@@ -0,0 +1,11 @@
+/*
+TEST_OUTPUT:
+---
+fail_compilation/fail19076.d(11): Error: no property `V` for type `fail19076.I`
+fail_compilation/fail19076.d(11): Error: `(I).V` cannot be resolved
+---
+*/
+
+interface P { }
+interface I : P { }
+auto F = __traits(getVirtualFunctions, I, "V");