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

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

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

--- Comment #10 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Andrew Pinski from comment #9)
> 
> But this also means there might be some missed optimizations now on the
> trunk due to that. Let me find a testcase.

I can't find a testcase that is a regression so I am just going to propose
backporting the fix for PR 116412 then.