[Bug tree-optimization/101260] Backport 27381e78925 to GCC 11

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101260

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

           What    |Removed                     |Added
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                 CC|                            |jakub at gcc dot gnu.org

--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
I thought r12-145 was a missed-optimization fix and such generally undesirable
to backport, plus it introduced PR100492 and PR101009 regressions.