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[Bug rtl-optimization/56466] [4.8 Regression] ICE in verify_loop_structure, at cfgloop.c:1629 (loop with header n not in loop tree !)
- From: "mpolacek at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 28 Feb 2013 10:13:53 +0000
- Subject: [Bug rtl-optimization/56466] [4.8 Regression] ICE in verify_loop_structure, at cfgloop.c:1629 (loop with header n not in loop tree !)
- Auto-submitted: auto-generated
- References: <bug-56466-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56466
--- Comment #6 from Marek Polacek <mpolacek at gcc dot gnu.org> 2013-02-28 10:13:53 UTC ---
Author: mpolacek
Date: Thu Feb 28 10:13:48 2013
New Revision: 196335
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=196335
Log:
PR rtl-optimization/56466
* loop-unroll.c (unroll_and_peel_loops): Call fix_loop_structure
if we're changing a loop.
(peel_loops_completely): Likewise.
Added:
trunk/gcc/testsuite/gcc.dg/pr56466.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/loop-unroll.c
trunk/gcc/testsuite/ChangeLog