[Bug c++/93551] [10 Regression] Call from templated function to constrained constructor segfaults when attempting to narrow to bool

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93551

--- Comment #4 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:e50627ff8cd54c3983614b34727323b333b9374d

commit r9-8351-ge50627ff8cd54c3983614b34727323b333b9374d
Author: Jason Merrill <jason@redhat.com>
Date:   Thu Mar 5 13:45:38 2020 -0500

    c++: Avoid ICE on infinite recursion with concepts.

    This was simple enough to backport even though it's concepts.

    gcc/cp/ChangeLog
    2020-03-05  Jason Merrill  <jason@redhat.com>

        PR c++/88395
        PR c++/93551
        * constraint.cc (constraints_satisfied_p): Use push_tinst_level.