https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90367
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |UNCONFIRMED
Ever confirmed|1 |0
--- Comment #9 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Martin Sebor from comment #8)
> This looks very similar to bug 87072. The C test case below is diagnosed by
> GCC 9, 8, and 7.
>
> $ cat a.c && gcc -O3 -S -Wall -Wextra -fdump-tree-vrp=/dev/stdout a.c
This testcase is bogus and the warning is correct.
In the original testcase, the problem is the iterator i has its address taken
which causes GCC to lose the bounds of the loop information.
