[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 #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Created attachment 53817
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=53817&action=edit
testcase