[Bug c++/62155] ICE in tsubst_copy, at cp/pt.c:12544

[paolo.carlini at oracle dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62155

--- Comment #1 from Paolo Carlini <paolo.carlini at oracle dot com> ---
Since it's just an ICE on invalid, I'm adding the testcase and closing the bug.