[Bug c/83989] [8 Regression] -Wrestrict false positive with malloc-style functions

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83989

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |ASSIGNED
           Assignee|unassigned at gcc dot gnu.org      |jakub at gcc dot gnu.org

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 43239
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=43239&action=edit
gcc8-pr83989.patch

The assumption that if 2 different SSA_NAMEs have the same SSA_NAME_VAR they
must have the same value is completely wrong.  Didn't see any testsuite
regressions with this change on any of the tests added or modified in the
-Wrestrict commits, but so far have not tested it further than that.