[Bug tree-optimization/106785] ICE in fail, at selftest.cc:47 since r13-2266-g8bb1df032cc080

[aldyh at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106785

--- Comment #7 from Aldy Hernandez <aldyh at gcc dot gnu.org> ---
And how about __builtin_nan ("") == xxx ??

Is that undefined for !HONOR_NANS?  Can I continue treating it as false?