1 files changed, 21 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/ordered-comparison-4.c b/gcc/testsuite/gcc.dg/ordered-comparison-4.c
new file mode 100644
index 000000000..ebe9eddf3
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/ordered-comparison-4.c
@@ -0,0 +1,21 @@
+/* Test warning for ordered comparison pointer with null pointer constant. */
+/* Test with -Wextra. */
+/* { dg-do compile } */
+/* { dg-options "-Wextra" } */
+extern void z();
+void *p;
+
+void f() {
+ if (z >= 0) /* { dg-warning "ordered comparison of pointer with" } */
+   z();
+ if (0 >= z) /* { dg-warning "ordered comparison of pointer with" } */
+    z();
+ if (p >= (void*)0) /* { dg-warning "ordered comparison of pointer with null pointer" } */
+    z();
+ if ((void*)0 >= p) /* { dg-warning "ordered comparison of pointer with null pointer" } */
+    z();
+ if (z >= (void*)0) /* { dg-warning "distinct pointer types lacks a cast" } */
+    z();
+ if ((void*)0 >=z) /* { dg-warning "distinct pointer types lacks a cast" } */
+    z();
+}