[Bug lto/85574] [8/9 Regression] LTO bootstapped binaries differ

[hubicka at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85574

--- Comment #28 from Jan Hubicka <hubicka at gcc dot gnu.org> ---
Author: hubicka
Date: Thu Jan 10 16:53:39 2019
New Revision: 267817

URL: https://gcc.gnu.org/viewcvs?rev=267817&root=gcc&view=rev
Log:

        Backported from mainline

        2019-01-02  Richard Biener  <rguenther@suse.de>
        PR ipa/85574
        * ipa-icf.h (sem_item_optimizer::sort_congruence_split): Declare.
        * ipa-icf.c (sem_item_optimizer::sort_congruence_split): New
        function.
        (sem_item_optimizer::do_congruence_step_f): Sort the congruence
        set after UIDs before splitting them.

Modified:
    branches/gcc-8-branch/gcc/ChangeLog
    branches/gcc-8-branch/gcc/ipa-icf.c
    branches/gcc-8-branch/gcc/ipa-icf.h