https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96336
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Ever confirmed|0 |1
Known to fail| |11.0
Keywords| |missed-optimization
Last reconfirmed| |2020-07-28
Status|UNCONFIRMED |NEW
--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
This only gets optimized on RTL, confirmed. It doesn't get optimized on GIMPLE
because reassoc doesn't like signed integers.