we now correctly emit:
unused-expr.c:8:6: warning: comparison of distinct pointer types ('int volatile *' and 'int *')
  VP == P;
  ~~ ^  ~




git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@41210 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Sema/unused-expr.c b/test/Sema/unused-expr.c
index 667f286..245a736 100644
--- a/test/Sema/unused-expr.c
+++ b/test/Sema/unused-expr.c
@@ -5,7 +5,8 @@
 void bar(volatile int *VP, int *P, int A,
          _Complex double C, volatile _Complex double VC) {
   
-  VP == P;             // expected-warning {{expression result unused}}
+  VP == P;             // expected-warning {{expression result unused}} \
+                          expected-warning {{comparison}}
   (void)A;             // expected-warning {{expression result unused}}
   (void)foo(1,2);      // no warning.