2018-04-19 Richard Biener <rguenther@suse.de>
commitd2377f21a111377405bbbdec76e9f9e91cad3d03
authorrguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
Thu, 19 Apr 2018 13:53:06 +0000 (19 13:53 +0000)
committerrguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
Thu, 19 Apr 2018 13:53:06 +0000 (19 13:53 +0000)
tree543ad182909d71130092764c0c89346216eb9e68
parent1c4c7e320378d9e2247e9864af03a3d41594b8f1
2018-04-19  Richard Biener  <rguenther@suse.de>

PR middle-end/85455
* cfg.c (clear_bb_flags): When loop state says we have
marked irreducible regions also preserve BB_IRREDUCIBLE_LOOP.

* gcc.dg/pr85455.c: New testcase.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@259494 138bc75d-0d04-0410-961f-82ee72b054a4
gcc/ChangeLog
gcc/cfg.c
gcc/testsuite/ChangeLog
gcc/testsuite/gcc.dg/pr85455.c [new file with mode: 0644]