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author	Tom de Vries <tom@codesourcery.com>
	Thu, 22 Mar 2018 11:01:15 +0000 (11:01 +0000)
committer	Tom de Vries <vries@gcc.gnu.org>
	Thu, 22 Mar 2018 11:01:15 +0000 (11:01 +0000)
commit	724d06dd030aaa271e1583dfc9c6ecc541ddba48
tree	cd67e3a3c10ef79e07dd3f1105bcbc5703b25ff5	tree
parent	ad9439a232a20172f6d8d1066182f7267d309676	commit \| diff

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.

From-SVN: r258762

gcc/ChangeLog		diff \| blob \| blame \| history
gcc/testsuite/ChangeLog		diff \| blob \| blame \| history
gcc/testsuite/gcc.dg/pr84956.c	[new file with mode: 0644]	blob
gcc/tree-ssa-tail-merge.c		diff \| blob \| blame \| history

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