Make sure to compare primary declaration contexts when determining whether a declaration is in scope

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@80126 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/IdentifierResolver.cpp b/lib/Sema/IdentifierResolver.cpp
index ceab859..1e5fb26 100644
--- a/lib/Sema/IdentifierResolver.cpp
+++ b/lib/Sema/IdentifierResolver.cpp
@@ -134,7 +134,8 @@
     return false;
   }
 
-  return D->getDeclContext()->getLookupContext() == Ctx->getPrimaryContext();
+  return D->getDeclContext()->getLookupContext()->getPrimaryContext() == 
+    Ctx->getPrimaryContext();
 }
 
 /// AddDecl - Link the decl to its shadowed decl chain.