Add type checking for tentative definitions at the end of the
translation unit.
Thread the various declarations of variables via
VarDecl::getPreviousDeclaration.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@66601 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Sema/enum.c b/test/Sema/enum.c
index 37c9a1e..dbc250a 100644
--- a/test/Sema/enum.c
+++ b/test/Sema/enum.c
@@ -21,7 +21,9 @@
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)
{