[Bug debug/90733] [8/9/10 Regression] ICE in simplify_subreg, at simplify-rtx.c:6440

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90733

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Wed Jun  5 09:41:13 2019
New Revision: 271952

URL: https://gcc.gnu.org/viewcvs?rev=271952&root=gcc&view=rev
Log:
        PR debug/90733
        * var-tracking.c (vt_expand_loc_callback): Don't create raw subregs
        with VOIDmode inner operands.

        * gcc.dg/pr90733.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/pr90733.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/var-tracking.c