[Bug c++/93713] [10 Regression] ICE in equivalently_constrained, at cp/constraint.cc:2949

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93713

--- Comment #2 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Started with r10-3735-gcb57504a550158913258e5be8ddb991376475efb

commit cb57504a550158913258e5be8ddb991376475efb
Author: Jason Merrill <jason@gcc.gnu.org>
Date:   Wed Oct 9 13:20:32 2019 -0400

    Update the concepts implementation to conform to C++20.