[Bug tree-optimization/111394] Warning about uninitialized memory that is actually initialized

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111394

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

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

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Adding:
    if (n < 0)
    exit(1);

Or:
    if (n < 0)
      __builtin_unreachable();

Fixes the warning.

Yes the warning could be slightly better but it is definitely a bug in your
code if you are not checking the input ...