[Bug c++/97641] Wrong codegen if optimizer is enabled

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97641

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Use -fsanitize=undefined to get it diagnosed at runtime.  Although, that
routine doesn't handle even Parse1("2147483631\x01") etc. correctly.
Just use unsigned int result = 0;