Re: Add %z support to elog/ereport?

I wrote:
> the idea that we might get many dozen such warnings on more-current
> compilers is scarier, as that might well interfere with people's
> ability to do development on, say, Windows.  Could somebody check
> whether MSVC for instance complains about format strings using "z"?
> Or shall I just commit this and we'll see what the buildfarm says?

Given the lack of response, I've pushed the patch, and will canvass
the buildfarm results later.
        regards, tom lane