[Bug middle-end/81030] [8 Regression] ICE on valid code at -O1 (only) on x86_64-linux-gnu: verify_flow_info failed

[hubicka at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81030

--- Comment #10 from Jan Hubicka <hubicka at gcc dot gnu.org> ---
Author: hubicka
Date: Thu Jul 20 11:27:31 2017
New Revision: 250383

URL: https://gcc.gnu.org/viewcvs?rev=250383&root=gcc&view=rev
Log:

        PR middle-end/81030
        * cfgbuild.c (find_many_sub_basic_blocks): Update REG_BR_PROB note
        when gimple level profile disagrees with what RTL expander did.
        * gcc.dg/pr81030.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/pr81030.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/cfgbuild.c
    trunk/gcc/testsuite/ChangeLog