[Bug c++/122070] [14/15/16 Regression] ICE with type aliases in inherited CTAD since r15-2864

[egas.g.ribeiro at tecnico dot ulisboa.pt via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=122070

--- Comment #4 from Egas  Ribeiro <egas.g.ribeiro at tecnico dot ulisboa.pt> ---
Patch submitted:
https://gcc.gnu.org/pipermail/gcc-patches/2025-December/703082.html