This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug rtl-optimization/55740] [4.8 Regression] ICE in verify_loop_structure, at cfgloop.c:1582, error: loop 2's header does not belong directly to it
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 20 Dec 2012 12:45:53 +0000
- Subject: [Bug rtl-optimization/55740] [4.8 Regression] ICE in verify_loop_structure, at cfgloop.c:1582, error: loop 2's header does not belong directly to it
- Auto-submitted: auto-generated
- References: <bug-55740-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55740
--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> 2012-12-20 12:45:53 UTC ---
Author: rguenth
Date: Thu Dec 20 12:45:48 2012
New Revision: 194633
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=194633
Log:
2012-12-20 Richard Biener <rguenther@suse.de>
PR middle-end/55740
* cfghooks.c (merge_blocks): Properly handle merging of
two loop headers.
* g++.dg/torture/pr55740.C: New testcase.
Added:
trunk/gcc/testsuite/g++.dg/torture/pr55740.C
Modified:
trunk/gcc/ChangeLog
trunk/gcc/cfghooks.c
trunk/gcc/testsuite/ChangeLog