[Bug target/77834] [7 Regression] ICE: in make_decl_rtl, at varasm.c:1311 with -O -ftree-pre -mstringop-strategy=libcall

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77834

--- Comment #12 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Wed Dec  7 22:49:10 2016
New Revision: 243400

URL: https://gcc.gnu.org/viewcvs?rev=243400&root=gcc&view=rev
Log:
        Backported from mainline
        2016-11-07  Jakub Jelinek  <jakub@redhat.com>

        PR target/77834
        * dse.c (dse_step5): Call scan_reads even if just
        insn_info->frame_read.  Improve and fix dump file messages.

Modified:
    branches/gcc-6-branch/gcc/ChangeLog
    branches/gcc-6-branch/gcc/dse.c