I wrote:
> I don't think any other buildfarm critters are showing this either,
Scratch that --- closer inspection of the buildfarm logs shows that
kouprey and lapwing have suffered identical failures, though much less
often than crake. That lets out the theory that it's x86_64 specific, or
even 64-bit specific. Still have no idea why I can't reproduce it here.
regards, tom lane