https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103724
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|--- |9.5
Status|UNCONFIRMED |NEW
Known to fail| |6.3.0, 6.4.0, 7.1.0
Ever confirmed|0 |1
Last reconfirmed| |2021-12-18
Known to work| |5.5.0, 6.1.0, 6.2.0
Summary|invalid warning: iteration |[9/10/11/12 Regression]
|7 invokes undefined |invalid warning: iteration
|behavior |7 invokes undefined
| |behavior
--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Confirmed. GCC is completely unrolling this loop and then not knowing that b is
8 warns about it. Though I do find it interesting how 6.2.0 doesn't warn but
6.3.0 does.
