[Bug c++/100032] [8/9/10/11 Regression] renaming alias template that also adds cv-qualifiers is deemed equivalent to underlying template

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100032

--- Comment #3 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:34ec63f1b5c2a4d39aa3b13ade96bcd44e294066

commit r11-8159-g34ec63f1b5c2a4d39aa3b13ade96bcd44e294066
Author: Jason Merrill <jason@redhat.com>
Date:   Tue Apr 13 14:49:29 2021 -0400

    c++: alias template equivalence and cv-quals [PR100032]

    We also need to check that the cv-qualifiers are the same.

    gcc/cp/ChangeLog:

            PR c++/100032
            * pt.c (get_underlying_template): Compare TYPE_QUALS.

    gcc/testsuite/ChangeLog:

            PR c++/100032
            * g++.dg/cpp0x/alias-decl-equiv1.C: New test.