[Bug tree-optimization/86367] FRE1 tree pass deletes code in gcc.target/powerpc/nan128-1.c when long double is IEEE 128

[meissner at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86367

--- Comment #3 from Michael Meissner <meissner at gcc dot gnu.org> ---
BTW, I compiled the same code on the x86 with both -mlong-double-80 and
-mlong-double-128 options, and FRE1 deletes the code, but returns 0 instead of
calling abort.