[Bug target/82626] -msse and -mfpmath=sse Causes __FLT_EVAL_METHOD__ to be -1

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82626

--- Comment #8 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Indeed, this really is a mingw bug.
"and for other values of FLT_EVAL_METHOD, they are
otherwise implementation-defined."
Being implementation-defined doesn't mean they aren't defined at all.