commit 2551c1bbcdc412658b4c4d117fba0b1f708e1deb
author John McCall <rjmccall@apple.com> Wed Oct 06 00:25:24 2010 +0000
committer John McCall <rjmccall@apple.com> Wed Oct 06 00:25:24 2010 +0000
tree 3e606de9d0522635d71c4289b6f458b8136d41f2
parent f449926a018a937549ebbe8045293b42aae9d6fd

Provide a slightly specialized diagnostic for tautological comparisons
of an enum value.

llvm-svn: 115725

clang/test/Sema/compare.c

diff --git a/clang/test/Sema/compare.c b/clang/test/Sema/compare.c
index 2a6917e..5221b17 100644
--- a/clang/test/Sema/compare.c
+++ b/clang/test/Sema/compare.c
@@ -305,3 +305,10 @@
 #undef ZERO
 #undef CHECK
 
+int rdar8511238() {
+  enum A { A_foo, A_bar };
+  enum A a;
+  if (a < 0) // expected-warning {{comparison of unsigned enum expression < 0 is always false}}
+    return 0;
+  return 20;
+}