[Bug tree-optimization/54579] missed optimization: ASR idiom

[miyuki at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54579

Mikhail Maltsev <miyuki at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |miyuki at gcc dot gnu.org
         Resolution|---                         |FIXED

--- Comment #3 from Mikhail Maltsev <miyuki at gcc dot gnu.org> ---
We already fold (-a - 1) into ~a, so the transformation for PR55299 should work
for this case too. I added the mentioned test case to
gcc/testsuite/gcc.dg/fold-notshift-1.c.