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[Bug tree-optimization/70986] [7 Regression] ICE on valid code at -O3 on x86_64-linux-gnu in combine_blocks, at tree-if-conv.c:2219
- 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, 12 May 2016 07:19:29 +0000
- Subject: [Bug tree-optimization/70986] [7 Regression] ICE on valid code at -O3 on x86_64-linux-gnu in combine_blocks, at tree-if-conv.c:2219
- Auto-submitted: auto-generated
- References: <bug-70986-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70986
--- Comment #7 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Thu May 12 07:18:58 2016
New Revision: 236158
URL: https://gcc.gnu.org/viewcvs?rev=236158&root=gcc&view=rev
Log:
2016-05-12 Richard Biener <rguenther@suse.de>
PR tree-optimization/70986
* cfganal.c: Include cfgloop.h.
(dfs_find_deadend): Prefer to take edges exiting loops.
* gcc.dg/torture/pr70986-1.c: New testcase.
* gcc.dg/torture/pr70986-2.c: Likewise.
* gcc.dg/torture/pr70986-3.c: Likewise.
Added:
trunk/gcc/testsuite/gcc.dg/torture/pr70986-1.c
trunk/gcc/testsuite/gcc.dg/torture/pr70986-2.c
trunk/gcc/testsuite/gcc.dg/torture/pr70986-3.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/cfganal.c
trunk/gcc/testsuite/ChangeLog