Peter Eisentraut <peter_e@gmx.net> writes:
> On 04/04/2016 09:20 PM, Michael Paquier wrote:
>> Likely an oversight not tracked by the buildfarm. What are you using here?
> It should be a rather unspectactular Debian system. I have tried a
> bunch of different compilers and optimization options, without success.
> I'll keep looking.
Perhaps it'd be worthwhile to check the behavior before and after each
of the portability patches that followed on to e1bd684a3, and see if any
of them change the behavior for you (and if so just how). That might
give us a clue what's going on.
regards, tom lane