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diff gcc/testsuite/c-c++-common/attr-may-alias-2.c @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/c-c++-common/attr-may-alias-2.c	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,17 @@
+/* We used to reject this because types differentiating only in
+   TYPE_REF_CAN_ALIAS_ALL were deemed incompatible.  */
+/* { dg-do compile } */
+
+struct sockaddr;
+struct sockaddr *f (void);
+
+struct __attribute__((may_alias)) sockaddr { int j; };
+struct sockaddr *
+f (void)
+{
+  return
+#ifndef __cplusplus
+    (void *)
+#endif
+    0;
+}