[Bug tree-optimization/84687] [8 Regression] error: invalid conversion in gimple call with -O3 and -ffast-math

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84687

--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 43565
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=43565&action=edit
gcc8-pr84687.patch

Untested fix.