[Bug tree-optimization/84956] [6/7/8 Regression] ICE in replace_block_by, at tree-ssa-tail-merge.c:1546
vries at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Thu Mar 22 11:01:00 GMT 2018
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84956
--- Comment #7 from Tom de Vries <vries at gcc dot gnu.org> ---
Author: vries
Date: Thu Mar 22 11:01:15 2018
New Revision: 258762
URL: https://gcc.gnu.org/viewcvs?rev=258762&root=gcc&view=rev
Log:
backport "[tail-merge] Don't merge bbs with bb_has_abnormal_pred"
2018-03-22 Tom de Vries <tom@codesourcery.com>
backport from trunk:
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:
branches/gcc-6-branch/gcc/testsuite/gcc.dg/pr84956.c
Modified:
branches/gcc-6-branch/gcc/ChangeLog
branches/gcc-6-branch/gcc/testsuite/ChangeLog
branches/gcc-6-branch/gcc/tree-ssa-tail-merge.c
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