Add type checking for tentative definitions at the end of the

translation unit.

Thread the various declarations of variables via
VarDecl::getPreviousDeclaration.

llvm-svn: 66601

1 files changed, 3 insertions, 1 deletions

diff --git a/clang/test/Sema/enum.c b/clang/test/Sema/enum.c
index 37c9a1e7cf9..dbc250abc3b 100644
--- a/clang/test/Sema/enum.c
+++ b/clang/test/Sema/enum.c
@@ -21,7 +21,9 @@ int test() {
   return sizeof(enum e) ;
 }
 
-enum gccForwardEnumExtension ve; // expected-warning{{ISO C forbids forward references to 'enum' types}}
+enum gccForwardEnumExtension ve; // expected-warning{{ISO C forbids forward references to 'enum' types}} \
+// expected-error{{tentative definition has type 'enum gccForwardEnumExtension' that is never completed}} \
+// expected-note{{forward declaration of 'enum gccForwardEnumExtension'}}
 
 int test2(int i)
 {