[Bug target/77918] S390: Floating point comparisons don't raise invalid for unordered operands.

[stli at linux dot ibm.com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77918

--- Comment #16 from stli at linux dot ibm.com <stli at linux dot ibm.com> ---
Just as information, this glibc commit will be first available with glibc 2.31
release:
"S390: Fp comparison are now raising FE_INVALID with gcc 10."
https://sourceware.org/git/?p=glibc.git;a=commit;h=64bca76f42a82e6a9ea2b0166deab7aa2b7efbea