[Bug c/66265] strict aliasing with O2 fails to generate correct code and gives no warnings

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66265

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
                 CC|                            |jakub at gcc dot gnu.org
         Resolution|---                         |INVALID

--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
There is a warning with -Wstrict-aliasing=1 , if you read the documentation,
you'd find there are various levels that differ in the amount of false
positives.  The code is obviously invalid.