[Bug bootstrap/82831] [8 Regression] Broken PGO bootstrap after r254379

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82831

--- Comment #31 from Martin Liška <marxin at gcc dot gnu.org> ---
Author: marxin
Date: Wed Jan 10 10:54:20 2018
New Revision: 256422

URL: https://gcc.gnu.org/viewcvs?rev=256422&root=gcc&view=rev
Log:
Clean up partitioning in try_optimize_cfg (PR bootstrap/82831).

2018-01-10  Martin Liska  <mliska@suse.cz>

        PR bootstrap/82831
        * basic-block.h (CLEANUP_NO_PARTITIONING): New define.
        * bb-reorder.c (pass_reorder_blocks::execute): Do not clean up
        partitioning.
        * cfgcleanup.c (try_optimize_cfg): Fix up partitioning if
        CLEANUP_NO_PARTITIONING is not set.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/basic-block.h
    trunk/gcc/bb-reorder.c
    trunk/gcc/cfgcleanup.c