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[Bug tree-optimization/71802] [7 Regression] gcc ICE at -O3 on valid code on x86_64-linux-gnu in expand_LOOP_VECTORIZED
- 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: Tue, 09 Aug 2016 07:41:22 +0000
- Subject: [Bug tree-optimization/71802] [7 Regression] gcc ICE at -O3 on valid code on x86_64-linux-gnu in expand_LOOP_VECTORIZED
- Auto-submitted: auto-generated
- References: <bug-71802-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71802
--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Tue Aug 9 07:40:50 2016
New Revision: 239274
URL: https://gcc.gnu.org/viewcvs?rev=239274&root=gcc&view=rev
Log:
2016-08-09 Richard Biener <rguenther@suse.de>
PR tree-optimization/71802
* tree-cfgcleanup.c (cleanup_tree_cfg_bb): Make sure to catch
all merge opportunities with the predecessor.
* gcc.dg/torture/pr71802.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.dg/torture/pr71802.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-cfgcleanup.c