[Bug lto/88858] ICE in rtl_verify_fallthru, at cfgrtl.c:2930 in Firefox build with LTO and PGO

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88858

--- Comment #4 from Martin Liška <marxin at gcc dot gnu.org> ---
Author: marxin
Date: Thu Feb 14 11:25:18 2019
New Revision: 268872

URL: https://gcc.gnu.org/viewcvs?rev=268872&root=gcc&view=rev
Log:
Backport r268835

2019-02-14  Martin Liska  <mliska@suse.cz>

        Backport from mainline
        2019-02-13  Martin Liska  <mliska@suse.cz>

        PR lto/88858
        * cfgrtl.c (remove_barriers_from_footer): New function.
        (try_redirect_by_replacing_jump): Use it.
        (cfg_layout_redirect_edge_and_branch): Likewise.

Modified:
    branches/gcc-8-branch/gcc/ChangeLog
    branches/gcc-8-branch/gcc/cfgrtl.c