[Bug tree-optimization/118476] [12/13/14 Regression] Internal compiler error, invalid 'PHI' argument since GCC8

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118476

--- Comment #8 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Yes it is fully fixed on the trunk and not latent due to PR 116412 . 

A patch like https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116412#c4 I think
should be enough to fix the issue for older GCC.