From 69010134585cf7d98fb44c339b82ee73467ccb05 Mon Sep 17 00:00:00 2001
From: rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Mon, 6 Jun 2011 11:43:31 +0000
Subject: 2011-06-06  Mikael Pettersson  <mikpe@it.uu.se>

	PR tree-optimization/49243
	* calls.c (setjmp_call_p): Also check if fndecl has the
	returns_twice attribute.

	* gcc.dg/pr49243.c: New.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@174695 138bc75d-0d04-0410-961f-82ee72b054a4
---
 gcc/calls.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'gcc/calls.c')

diff --git a/gcc/calls.c b/gcc/calls.c
index f5592c5a6d9..feb98d21c00 100644
--- a/gcc/calls.c
+++ b/gcc/calls.c
@@ -567,6 +567,8 @@ special_function_p (const_tree fndecl, int flags)
 int
 setjmp_call_p (const_tree fndecl)
 {
+  if (DECL_IS_RETURNS_TWICE (fndecl))
+    return ECF_RETURNS_TWICE;
   return special_function_p (fndecl, 0) & ECF_RETURNS_TWICE;
 }
 
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