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From: "rguenth at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug tree-optimization/57122] [4.9 Regression] ICE in verify_loop_structure, at cfgloop.c:1647 (=?UTF-8?Q?loop=20n=E2=80=99s=20latch=20does=20not=20have=20an=20edge=20to=20its=20header=20=21?=)
Date: Tue, 30 Apr 2013 15:04:00 -0000
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57122

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|                            |FIXED

--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> 2013-04-30 15:04:20 UTC ---
Author: rguenth
Date: Tue Apr 30 15:03:58 2013
New Revision: 198456

URL: http://gcc.gnu.org/viewcvs?rev=198456&root=gcc&view=rev
Log:
2013-04-30  Richard Biener  <rguenther@suse.de>

    PR middle-end/57122
    * cfghooks.c (split_edge): Properly check for the loop
    latch edge.

    * gcc.dg/torture/pr57122.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr57122.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/cfghooks.c
    trunk/gcc/testsuite/ChangeLog