stage2: make `?anyerror` represented the same as `anyerror`

I was able to get the backend implementation working on LLVM and the C
backend, but I'm going to ask for some help on the other backends.
02e9d9b43bAndrew Kelley committed on 5/24/2022, 10:34:52 PMparentc97c7f9
6 files changedLine totals unavailable