[Bug c++/89709] [9 Regression] ICE with constexpr and "-O"

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89709

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Fri Mar 15 09:23:11 2019
New Revision: 269702

URL: https://gcc.gnu.org/viewcvs?rev=269702&root=gcc&view=rev
Log:
        PR c++/89709
        * tree.c (inchash::add_expr): Strip any location wrappers.
        * fold-const.c (operand_equal_p): Move stripping of location wrapper
        after hash verification.

        * g++.dg/cpp0x/constexpr-89709.C: New test.

Added:
    trunk/gcc/testsuite/g++.dg/cpp0x/constexpr-89709.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/fold-const.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree.c