Christoph Berg <myon@debian.org> writes:
> Interestingly, the test is only failing on i386 and none of the other
> architectures, which could hint at 80-bit extended precision FP
> problems.
Yeah, that's what I'd assumed it is. We suppress that where we can
with -fexcess-precision=standard or -msse2, but I'm guessing that
doesn't help here for some reason.
regards, tom lane