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From: "jakub at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/51042] [4.7 Regression] endless recursion in phi_translate
Date: Wed, 09 Nov 2011 09:15:00 -0000	[thread overview]
Message-ID: <bug-51042-4-98tXfQhjsk@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-51042-4@http.gcc.gnu.org/bugzilla/>

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51042

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2011-11-09
                 CC|                            |jakub at gcc dot gnu.org
          Component|c                           |tree-optimization
   Target Milestone|---                         |4.7.0
            Summary|segfault                    |[4.7 Regression] endless
                   |                            |recursion in phi_translate
     Ever Confirmed|0                           |1

--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-11-09 08:59:47 UTC ---
Caused by http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=155360

int a, b, c, d, e[2][2];

void
foo (int x)
{
  while (x)
    {
      for (d = 0; d <= 1; d = 1)
        if (e[c][a])
          break;
      for (b = 0; b <= 0; b = 1)
        {
          e[c][a] = a;
          if (a)
            break;
        }
    }
}


  reply	other threads:[~2011-11-09  9:00 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-11-08 23:01 [Bug c/51042] New: segfault regehr at cs dot utah.edu
2011-11-09  9:15 ` jakub at gcc dot gnu.org [this message]
2011-11-09  9:39 ` [Bug tree-optimization/51042] [4.5/4.6/4.7 Regression] endless recursion in phi_translate rguenth at gcc dot gnu.org
2011-11-09 13:26 ` rguenth at gcc dot gnu.org
2011-11-09 14:43 ` rguenth at gcc dot gnu.org
2011-11-10 13:10 ` rguenth at gcc dot gnu.org
2011-11-10 15:37 ` rguenth at gcc dot gnu.org
2011-11-10 15:54 ` [Bug tree-optimization/51042] [4.5/4.6 " rguenth at gcc dot gnu.org
2012-01-03 14:47 ` rguenth at gcc dot gnu.org
2012-06-12  9:54 ` [Bug tree-optimization/51042] [4.5 " liujiangning at gcc dot gnu.org
2012-06-20 13:08 ` rguenth at gcc dot gnu.org
2012-07-02 10:16 ` rguenth at gcc dot gnu.org

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