[Bug tree-optimization/93681] Wrong optimization: instability of x87 floating-point results leads to nonsense

[vincent-gcc at vinc17 dot net]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93681

--- Comment #4 from Vincent Lefèvre <vincent-gcc at vinc17 dot net> ---
Instead of "-m32 -march=i686", one can also compile with "-mfpmath=387". This
is useful if one does not have the 32-bit libs.