[Bug tree-optimization/114660] Exponentiating by squaring not performed for x * y * y * y * y

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114660

--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> ---
For the case in question when x is zero then y can be INT_MAX and thus y * y
already overflow. But x * y * y * y * y * y could be associated as
(x * y) * (y^4).