[Bug middle-end/88401] -Wshift-overflow only works for const variables

[skvadrik at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88401

Ulya <skvadrik at gmail dot com> changed:

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

--- Comment #3 from Ulya <skvadrik at gmail dot com> ---
The warning needs to be re-implemented in middle-end to be able to use constant
propagation.