[Bug tree-optimization/109246] Missed optimization for 2-dimensional array with equal values accessed through Enums

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109246

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|middle-end                  |tree-optimization
   Last reconfirmed|                            |2023-03-22
     Ever confirmed|0                           |1
             Blocks|                            |85316
             Status|UNCONFIRMED                 |NEW
           Keywords|                            |missed-optimization

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
This is a duplicate of an old bug about VRP not folding reads from static
initializers if all elements possibly read have the same value.  But I can't
currently find it.


Referenced Bugs:

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