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

[ebotcazou at gcc dot gnu.org]

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

--- Comment #10 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
Author: ebotcazou
Date: Sat Dec  7 12:20:44 2019
New Revision: 279076

URL: https://gcc.gnu.org/viewcvs?rev=279076&root=gcc&view=rev
Log:
        PR middle-end/90840
        * expr.c (expand_assignment): In the case of a CONCAT on the LHS, make
        sure to pass a valid inner mode in calls to simplify_gen_subreg.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/expr.c