[Bug c++/96805] ICE: Segmentation fault in instantiate_template / pop_nested_class()

[marc.mutz at kdab dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96805

--- Comment #2 from Marc Mutz <marc.mutz at kdab dot com> ---
also in gcc version 10.2.1 20200826 (GCC)