[Bug middle-end/89790] [9 Regression] ICE segfault in operand_equal_p() at fold-const.c:3000 with -Wduplicated-cond since r269838

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89790

--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Mon Mar 25 10:05:15 2019
New Revision: 269907

URL: https://gcc.gnu.org/viewcvs?rev=269907&root=gcc&view=rev
Log:
2019-03-25  Richard Biener  <rguent...@suse.de>

        PR middle-end/89790
        * fold-const.c (operand_equal_p): Revert last change with
        updated comment.

        * g++.dg/pr89790.C: New testcase.

Added:
    trunk/gcc/testsuite/g++.dg/pr89790.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/fold-const.c
    trunk/gcc/testsuite/ChangeLog