[Bug c++/106542] -O2 sign-extended uint32 to uint64

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106542

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

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

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
The code is undefined and can be detected with -fsanitize=undefined:

/app/example.cpp:15:14: runtime error: signed integer overflow: 2086724600 -
-1610499096 cannot be represented in type 'int'