[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

Jonathan Wakely <redi at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |INVALID
             Status|UNCONFIRMED                 |RESOLVED

--- Comment #3 from Jonathan Wakely <redi at gcc dot gnu.org> ---
And __s += *c not __s += c;

Don't you want to append single characters, not a char* that isn't even
null-terminated?

Also, stop using names like _UIntPtrType and __s, those are reserved names.