[Bug debug/86194] [8/9 Regression] ICE: SIGSEGV in avoid_constant_pool_reference (simplify-rtx.c:215) with -O -g -mavx512bw

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86194

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Wed Jun 20 14:51:04 2018
New Revision: 261807

URL: https://gcc.gnu.org/viewcvs?rev=261807&root=gcc&view=rev
Log:
        PR debug/86194
        * var-tracking.c (use_narrower_mode_test): Check if shift amount can
        be narrowed.

        * gcc.target/i386/pr86194.c: New test.

Added:
    trunk/gcc/testsuite/gcc.target/i386/pr86194.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/var-tracking.c