[Bug tree-optimization/102829] Redundant null check after atomic load from that address

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102829

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|middle-end                  |tree-optimization
     Ever confirmed|0                           |1
             Blocks|                            |85316
             Status|UNCONFIRMED                 |NEW
           Keywords|                            |missed-optimization
   Last reconfirmed|                            |2021-10-19

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
We don't derive non-nullness for the pointer dereferenced by the atomic
builtins yet.


Referenced Bugs:

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85316
[Bug 85316] [meta-bug] VRP range propagation missed cases