Handle redundant 'typename' on base class specifications.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142937 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Parse/ParseDeclCXX.cpp b/lib/Parse/ParseDeclCXX.cpp
index 8530ff2..1ba1cbf 100644
--- a/lib/Parse/ParseDeclCXX.cpp
+++ b/lib/Parse/ParseDeclCXX.cpp
@@ -713,6 +713,13 @@
 ///
 Parser::TypeResult Parser::ParseBaseTypeSpecifier(SourceLocation &BaseLoc,
                                                   SourceLocation &EndLocation) {
+  // Ignore attempts to use typename
+  if (Tok.is(tok::kw_typename)) {
+    Diag(Tok, diag::err_expected_class_name_not_template)
+      << FixItHint::CreateRemoval(Tok.getLocation());
+    ConsumeToken();
+  }
+
   // Parse optional nested-name-specifier
   CXXScopeSpec SS;
   ParseOptionalCXXScopeSpecifier(SS, ParsedType(), /*EnteringContext=*/false);