[Bug c++/121814] Optimization has changed the code behavior

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121814

--- Comment #4 from Jonathan Wakely <redi at gcc dot gnu.org> ---
(In reply to Jonathan Wakely from comment #3)
> Also, stop using names like _UIntPtrType and __s, those are reserved names.

See https://stackoverflow.com/q/228783/981959