dblaikie added a comment.
Reduced down to:
struct t1;
void f1() {
using t2 = t1;
void (t2::* __fn)();
}
Still investigating.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D132900/new/
https://reviews.llvm.org/D132900