Fix a problem with false diagnostics when comparing distinct NULL pointer types, from David Majnemer

llvm-svn: 74850

1 files changed, 7 insertions, 0 deletions

diff --git a/clang/test/Sema/compare.c b/clang/test/Sema/compare.c
index 51f77317385..b7c5c25ddb6 100644
--- a/clang/test/Sema/compare.c
+++ b/clang/test/Sema/compare.c
@@ -1,5 +1,7 @@
 // RUN: clang-cc -fsyntax-only -pedantic -verify %s
 
+#include <stddef.h>
+
 int test(char *C) { // nothing here should warn.
   return C != ((void*)0);
   return C != (void*)0;
@@ -29,3 +31,8 @@ int function_pointers(int (*a)(int), int (*b)(int))
   return a == (void *) 0;
   return a == (void *) 1; // expected-warning {{comparison of distinct pointer types}}
 }
+
+int void_pointers(void *foo)
+{
+  return foo == NULL;
+}