[Bug c++/94481] [10 Regression] ICE: Segmentation fault (in cp_parser_placeholder_type_specifier)

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94481

--- Comment #2 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Jason Merrill <jason@gcc.gnu.org>:

https://gcc.gnu.org/g:31449cf8e119bbe172a68689068591827472da5c

commit r10-7608-g31449cf8e119bbe172a68689068591827472da5c
Author: Jason Merrill <jason@redhat.com>
Date:   Tue Apr 7 00:22:55 2020 -0400

    c++: ICE on invalid concept placeholder [PR94481].

    Here the 'decltype' is missing '(auto)', so open_paren was NULL, and trying
    to get its location is a SEGV.  Using matching_parens avoids that problem.

    gcc/cp/ChangeLog
    2020-04-07  Jason Merrill  <jason@redhat.com>

            PR c++/94481
            * parser.c (cp_parser_placeholder_type_specifier): Use
            matching_parens.