Add basic support for Microsoft enum forward declaration.

Assigning an underlying integral type to an enum forward declaration will come in a next patch.

llvm-svn: 113716

1 files changed, 4 insertions, 0 deletions

diff --git a/clang/test/SemaCXX/MicrosoftExtensions.cpp b/clang/test/SemaCXX/MicrosoftExtensions.cpp
index 93650a53f44..7cc1675f2e7 100644
--- a/clang/test/SemaCXX/MicrosoftExtensions.cpp
+++ b/clang/test/SemaCXX/MicrosoftExtensions.cpp
@@ -84,3 +84,7 @@ void m1() {
   h1<int>(&M::addP);
   h1(&M::subtractP);
 } 
+
+//MSVC allows forward enum declaration
+enum ENUM; // expected-warning {{forward references to 'enum' types are a Microsoft extension}}
+ENUM *var;