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diff gcc/testsuite/c-c++-common/pr49706-2.c @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
parents
children 84e7813d76e9
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/c-c++-common/pr49706-2.c	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,20 @@
+/* { dg-do compile } */
+/* { dg-options "-Wlogical-not-parentheses" } */
+
+/* Test that we don't warn if both operands of the comparison
+   are negated.  */
+
+#ifndef __cplusplus
+#define bool _Bool
+#endif
+
+bool r;
+
+int
+same (int a, int b)
+{
+  r = !a == !b;
+  r = !!a == !!b;
+  r = !!a == !b;
+  r = !a == !!b;
+}