Ok, ok, I give in. Fix tests for unused result warning.

llvm-svn: 77780
diff --git a/clang/test/Sema/enum.c b/clang/test/Sema/enum.c
index adb9375..31649e0 100644
--- a/clang/test/Sema/enum.c
+++ b/clang/test/Sema/enum.c
@@ -43,7 +43,7 @@
     ;
   (_Bool)ve2;  // expected-error {{arithmetic or pointer type is required}}
 
-  for (; ;ve2)
+  for (; ;ve2) // expected-warning {{expression result unused}}
     ;
   (void)ve2;
   ve2;         // expected-warning {{expression result unused}}