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[Bug tree-optimization/84956] [6/7/8 Regression] ICE in replace_block_by, at tree-ssa-tail-merge.c:1546
- From: "vries at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 22 Mar 2018 10:21:43 +0000
- Subject: [Bug tree-optimization/84956] [6/7/8 Regression] ICE in replace_block_by, at tree-ssa-tail-merge.c:1546
- Auto-submitted: auto-generated
- References: <bug-84956-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84956
--- Comment #5 from Tom de Vries <vries at gcc dot gnu.org> ---
Author: vries
Date: Thu Mar 22 10:21:12 2018
New Revision: 258758
URL: https://gcc.gnu.org/viewcvs?rev=258758&root=gcc&view=rev
Log:
[tail-merge] Don't merge bbs with bb_has_abnormal_pred
2018-03-22 Tom de Vries <tom@codesourcery.com>
PR tree-optimization/84956
* tree-ssa-tail-merge.c (find_clusters_1): Skip bbs with
bb_has_abnormal_pred.
* gcc.dg/pr84956.c: New test.
Added:
trunk/gcc/testsuite/gcc.dg/pr84956.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-tail-merge.c