Correctly track tags and enum members defined in the prototype of a function, and ensure they are properly scoped.

This fixes code such as:

enum e {x, y};
int f(enum {y, x} n) {
  return 0;
}

This finally fixes PR5464 and PR5477.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@151638 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 2 insertions, 0 deletions

diff --git a/lib/Parse/ParseDecl.cpp b/lib/Parse/ParseDecl.cpp
index 4d93eaf85d..835a652910 100644
--- a/lib/Parse/ParseDecl.cpp
+++ b/lib/Parse/ParseDecl.cpp
@@ -4226,6 +4226,8 @@ void Parser::ParseFunctionDeclarator(Declarator &D,
   ExprResult NoexceptExpr;
   ParsedType TrailingReturnType;
   
+  Actions.ActOnStartFunctionDeclarator();
+
   SourceLocation EndLoc;
   if (isFunctionDeclaratorIdentifierList()) {
     if (RequiresArg)