[Bug middle-end/90840] [8 Regression] ICE in simplify_subreg, at simplify-rtx.c:6441

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90840

--- Comment #8 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Thu Nov 21 17:20:47 2019
New Revision: 278586

URL: https://gcc.gnu.org/viewcvs?rev=278586&root=gcc&view=rev
Log:
        Backported from mainline
        2019-11-20  Jakub Jelinek  <ja...@redhat.com>

        PR middle-end/90840
        * expmed.c (store_bit_field_1): Handle the case where op0 is not a MEM
        and has a mode that doesn't have corresponding integral type.

        * gcc.c-torture/compile/pr90840.c: New test.

Added:
    branches/gcc-8-branch/gcc/testsuite/gcc.c-torture/compile/pr90840.c
Modified:
    branches/gcc-8-branch/gcc/ChangeLog
    branches/gcc-8-branch/gcc/expmed.c
    branches/gcc-8-branch/gcc/testsuite/ChangeLog