From ee429bdfe0a07195e96d5343bf534fc2e1753613 Mon Sep 17 00:00:00 2001
From: Marc Glisse <marc.glisse@inria.fr>
Date: Fri, 28 Jun 2013 12:31:39 +0200
Subject: [PATCH] re PR c++/57509 (Segmentation fault when using
 __builtin_shuffle in templated class.)

2013-06-28  Marc Glisse  <marc.glisse@inria.fr>

	PR c++/57509
	* g++.dg/ext/pr57509.C: Pass vectors by reference to avoid warnings.

From-SVN: r200511
---
 gcc/testsuite/ChangeLog            | 5 +++++
 gcc/testsuite/g++.dg/ext/pr57509.C | 4 ++--
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index e810fbe4ab7..9e7d8577a93 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2013-06-28  Marc Glisse  <marc.glisse@inria.fr>
+
+	PR c++/57509
+	* g++.dg/ext/pr57509.C: Pass vectors by reference to avoid warnings.
+
 2013-06-28  Kirill Yukhin  <kirill.yukhin@intel.com>
 
         * gcc.target/i386/bmi-1.c: Extend with new instrinsic.
diff --git a/gcc/testsuite/g++.dg/ext/pr57509.C b/gcc/testsuite/g++.dg/ext/pr57509.C
index d44ee81e091..92aaadf3387 100644
--- a/gcc/testsuite/g++.dg/ext/pr57509.C
+++ b/gcc/testsuite/g++.dg/ext/pr57509.C
@@ -4,8 +4,8 @@
 template <bool> struct enable_if {};
 template <> struct enable_if<true> {typedef void type;};
 template <class T> void f (T& v) { v = __builtin_shuffle (v, v); }
-template <class T> void g (T) {}
-template <class T> auto g (T x) -> typename enable_if<sizeof(__builtin_shuffle(x,x))!=2>::type {}
+template <class T> void g (T const&) {}
+template <class T> auto g (T const& x) -> typename enable_if<sizeof(__builtin_shuffle(x,x))!=2>::type {}
 typedef int v4i __attribute__((vector_size(4*sizeof(int))));
 typedef float v4f __attribute__((vector_size(4*sizeof(float))));
 int main(){
-- 
2.30.2