[Bug c++/65636] [c++-concepts] ICE (Segmentation fault) when a type requirement names a typedef or type alias

[tom at honermann dot net]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65636

--- Comment #3 from Tom Honermann <tom at honermann dot net> ---
Confirmed fixed with r221861.  I'll leave the bug open though since comment 2
is requesting additional followup.