[Bug tree-optimization/18687] >200% compile time regression compared to gcc-3.4

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=18687

--- Comment #56 from Richard Biener <rguenth at gcc dot gnu.org> ---
GCC 12 now takes sub-second time for the larger testcases and with optimization
it's now early VRP taking most of the time.