[Bug tree-optimization/107502] GCC fails to detect foo(first_const,last)-first_const+first pattern

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107502

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
I filed PR 107503 with the reduced testcase for the test2 case (after having
fixed the return issue).