[Bug c++/124229] [reflection] using type alias defined with splice expression of annotation as template arg T to extract<T> causes ICE

[giel+gcc at mortis dot eu]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=124229

--- Comment #8 from Giel <giel+gcc at mortis dot eu> ---
Thanks, I just tested a build of the fix commit on the dev branch of my project
that triggered this. It builds successfully now.

Thank you for your work :-)