I wrote: > Hmmm ... mine is 8.4.1. > I'm about to go out to dinner, but will check into this with some > newer gcc versions later.
Tried --enable-coverage on Fedora 34 (with gcc 11.1.1) and sure enough there's an exit() call being inserted. I've pushed a fix to just disable the check altogether in --enable-coverage builds. regards, tom lane