I wrote: > I propose the attached. I'm inclined to think that the risk/benefit > of back-patching this is not very good, so I just want to stick it in > HEAD, unless somebody can explain why dead_end children are likely to > crash in the field.
Pushed at ee3278239. I'm still curious as to the explanation for a dead_end child exiting with code 15, but I have no way to pursue the point. regards, tom lane