From 44d23deb477b55b753c0a1c5e2df683f94330f0d Mon Sep 17 00:00:00 2001
From: Yvan Roux <yvan.roux@linaro.org>
Date: Tue, 22 Aug 2017 09:32:38 +0000
Subject: [PATCH] re PR c++/80287 (C++ crash with __attribute((may_alias)))

2017-08-22  Yvan Roux  <yvan.roux@linaro.org>

        PR c++/80287
        * g++.dg/pr80287.C: New test.

From-SVN: r251268
---
 gcc/testsuite/ChangeLog        |  5 +++++
 gcc/testsuite/g++.dg/pr80287.C | 13 +++++++++++++
 2 files changed, 18 insertions(+)
 create mode 100644 gcc/testsuite/g++.dg/pr80287.C

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index b449d5a..1773351 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2017-08-22  Yvan Roux  <yvan.roux@linaro.org>
+
+        PR c++/80287
+        * g++.dg/pr80287.C: New test.
+
 2017-08-22  Richard Biener  <rguenther@suse.de>
 
 	Revert
diff --git a/gcc/testsuite/g++.dg/pr80287.C b/gcc/testsuite/g++.dg/pr80287.C
new file mode 100644
index 0000000..da8d3fa
--- /dev/null
+++ b/gcc/testsuite/g++.dg/pr80287.C
@@ -0,0 +1,13 @@
+// PR c++/80287
+// { dg-do compile { target c++11 } }
+// { dg-options "-g" }
+
+struct A {
+  operator long() {}
+} __attribute__((__may_alias__));
+
+struct {
+  A ino;
+} a;
+
+char b = a.ino;
-- 
2.7.4