[Bug target/95115] [10 Regression] RISC-V 64: inf/inf division optimized out, invalid operation not raised

[glisse at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95115

--- Comment #1 from Marc Glisse <glisse at gcc dot gnu.org> ---
I am seeing the same thing on x86_64, happens during FRE1, so it looks like
tree-optimization.