[Bug c++/100102] [9/10/11/12 Regression] ICE in tsubst, at cp/pt.c:15310

[ppalka at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100102

--- Comment #19 from Patrick Palka <ppalka at gcc dot gnu.org> ---
Candidate patch that addresses the ICE in the original testcase and reductions:
https://gcc.gnu.org/pipermail/gcc-patches/2021-June/571899.html