[Bug middle-end/81318] [8 regression] ICE in to_reg_br_prob_base, at profile-count.h:189

[dimhen at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81318

--- Comment #3 from Dmitry G. Dyachenko <dimhen at gmail dot com> ---
r249904 PASS
r249907 FAIL
r250073 FAIL

sounds like 

r249907 | hubicka | 2017-07-03 15:42:07 +0300 (Mon, 03 Jul 2017) | 7 lines
Changed paths:
   M /trunk/gcc/ChangeLog
   M /trunk/gcc/profile-count.h
   M /trunk/gcc/tree-cfg.c
   M /trunk/gcc/tree-cfgcleanup.c


        * tree-cfgcleanup.c (want_merge_blocks_p): New function.
        (cleanup_tree_cfg_bb): Use it.
        * profile-count.h (profile_count::of_for_merging,
profile_count::merge):
        New functions.
        * tree-cfg.c (gimple_merge_blocks): Use profile_count::merge.