[Bug tree-optimization/49243] attribute((returns_twice)) doesn't work

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49243

--- Comment #5 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-06-06 
11:43:34 UTC ---
Author: rguenth
Date: Mon Jun  6 11:43:31 2011
New Revision: 174695

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=174695
Log:
2011-06-06  Mikael Pettersson  <mi...@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.

Added:
    trunk/gcc/testsuite/gcc.dg/pr49243.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/calls.c
    trunk/gcc/testsuite/ChangeLog