[Bug c++/90997] [9 Regression] ICE on a memset in a template in tsubst_copy_and_build, at cp/pt.c:18480

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90997

--- Comment #5 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:831d4a690053599d2d0aa9713642b8513fdf8f5b

commit r9-8331-g831d4a690053599d2d0aa9713642b8513fdf8f5b
Author: Jason Merrill <jason@redhat.com>
Date:   Wed Mar 4 17:30:58 2020 -0500

    c++: avoid ICE with __builtin_memset (PR90997).

    warn_for_memset calls fold_for_warn, which calls fold_non_dependent_expr,
so
    also calling instantiate_non_dependent_expr here is undesirable.

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

        PR c++/90997
        * semantics.c (finish_call_expr): Don't call
        instantiate_non_dependent_expr before warn_for_memset.