[Bug c++/103319] [coroutines] ICE in is_this_parameter, at cp/semantics.c:10672

[avi at scylladb dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103319

--- Comment #2 from Avi Kivity <avi at scylladb dot com> ---
A gentle ping, can we backport this?