[Bug rtl-optimization/91164] [10 Regression] ICE in verify_dominators, at dominance.c:1184 (error: dominator of 114 should be 112, not 16)

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91164

--- Comment #7 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Tue Jul 16 11:37:05 2019
New Revision: 273522

URL: https://gcc.gnu.org/viewcvs?rev=273522&root=gcc&view=rev
Log:
        PR rtl-optimization/91164
        * dse.c (rest_of_handle_dse): If dead edges have been purged,
        invalidate dominance info.

        * g++.dg/opt/pr91164.C: New test.

Added:
    trunk/gcc/testsuite/g++.dg/opt/pr91164.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/dse.c
    trunk/gcc/testsuite/ChangeLog