[Bug tree-optimization/59660] We fail to optimize common boolean checks pre-inlining

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59660

--- Comment #13 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
This has been fixed at r12-2039-gcd48e550d1dc583, if we use the C++ front-end. 

Using the C front-end we still have a casting issue.