Teach the template parameter dependency checker used when matching

template parameter lists to scope specifiers for friend declarations
about injected class name types. Fixes the
g++.dg/template/memfriend5.C regression in the GCC testsuite.

llvm-svn: 131272

clang/lib/Sema/SemaTemplate.cpp

@@ -1430,6 +1430,10 @@ struct DependencyChecker : RecursiveASTVisitor<DependencyChecker> {
     }
     return super::VisitDeclRefExpr(E);
   }
+  
+  bool TraverseInjectedClassNameType(const InjectedClassNameType *T) {
+    return TraverseType(T->getInjectedSpecializationType());
+  }
 };
 }