[Bug c++/91607] [9 regression] internal compiler error: in equal, at cp/constexpr.c:1088

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91607

--- Comment #13 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-9 branch has been updated by Jason Merrill
<jason@gcc.gnu.org>:

https://gcc.gnu.org/g:e19f06538c51fed54240a4e98277e62daa00d9b3

commit r9-8339-ge19f06538c51fed54240a4e98277e62daa00d9b3
Author: Jason Merrill <jason@redhat.com>
Date:   Wed Mar 4 23:07:13 2020 -0500

    c++: Fix constexpr ICE from const mismatch [PR91607]

    gcc/cp/ChangeLog
    2020-03-04  Jason Merrill  <jason@redhat.com>

        PR c++/91607
        * constexpr.c (constexpr_call_hasher::equal): Use
        same_type_ignoring_top_level_qualifiers_p.