Incomplete enum types not to be treated as integer type

when checking for integer signed/unsigned-ness. PR8694,
// rdar://8707031


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@120345 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 13 insertions, 0 deletions

diff --git a/test/Sema/enum.c b/test/Sema/enum.c
index d83b06f56b..a95efb035d 100644
--- a/test/Sema/enum.c
+++ b/test/Sema/enum.c
@@ -104,3 +104,16 @@ void PR7911F() {
 }
 
 char test5[__has_feature(enumerator_attributes) ? 1 : -1];
+
+// PR8694
+// rdar://8707031
+void PR8694(int* e) // expected-note {{passing argument to parameter 'e' here}}
+{
+}
+
+void crash(enum E* e) // expected-warning {{declaration of 'enum E' will not be visible outside of this function}} \
+                      // expected-warning {{ISO C forbids forward references to 'enum' types}}
+{
+        PR8694(e); // expected-warning {{incompatible pointer types passing 'enum E *' to parameter of type 'int *'}}
+}
+