[Bug target/89752] [8 Regression] ICE in emit_move_insn, at expr.c:3723

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89752

--- Comment #17 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Tue Apr 30 20:50:48 2019
New Revision: 270737

URL: https://gcc.gnu.org/viewcvs?rev=270737&root=gcc&view=rev
Log:
        Backported from mainline
        2019-03-20  Jakub Jelinek  <ja...@redhat.com>

        PR target/89752
        * lra-constraints.c (process_alt_operands) <reg>: For BLKmode, don't
        update this_alternative nor this_alternative_set.

Modified:
    branches/gcc-8-branch/gcc/ChangeLog
    branches/gcc-8-branch/gcc/lra-constraints.c