[Bug middle-end/65330] restrict should be considered when folding through references from global vars

[hubicka at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65330

Jan Hubicka <hubicka at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Priority|P3                          |P1
         Depends on|                            |65270
           Severity|normal                      |enhancement

--- Comment #1 from Jan Hubicka <hubicka at gcc dot gnu.org> ---
To make this work, ICF most probably must not merge variables with mismatching
restrict qualifiers.