[Bug c++/106740] [11/12 Regression] ICE in instantiate_decl at gcc/cp/pt.cc:26515 since r12-8467-ge057d454db4dcf

[cvs-commit at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106740

--- Comment #6 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-11 branch has been updated by Jason Merrill
<ja...@gcc.gnu.org>:

https://gcc.gnu.org/g:0697a1a426424468b9bdf3d845237cab26ce78d7

commit r11-10751-g0697a1a426424468b9bdf3d845237cab26ce78d7
Author: Jason Merrill <ja...@redhat.com>
Date:   Tue Jun 7 15:52:30 2022 -0400

    c++: non-templated friends [PR105852]

    The previous patch for 105852 avoids copying DECL_TEMPLATE_INFO from a
    non-templated friend, but it really shouldn't have it in the first place.

            PR c++/106740
            PR c++/105852

    gcc/cp/ChangeLog:

            * decl.c (duplicate_decls): Change non-templated friend
            check to an assert.
            * pt.c  (tsubst_function_decl): Don't set DECL_TEMPLATE_INFO
            on non-templated friends.
            (tsubst_friend_function): Adjust.

    gcc/testsuite/ChangeLog:

            * g++.dg/template/friend78.C: New test.