On 2018-10-27 08:18:12 +0200, Fabien COELHO wrote: > > Hello Jeff, > > > > I suspect the easiest thing to narrow it down would be to bisect the > > > problem in gcc :( > > > > Their commit r265241 is what broke the PostgreSQL build. It also broke the > > compiler itself--at that commit it was no longer possible to build itself. > > I had to --disable-bootstrap in order to get a r265241 compiler to test > > PostgreSQL on. > > It seems they have done a API change around some kind of "range" analysis, > which must have been incomplete. > > > Their commit r265375 fixed the ability to compile itself, but built > > PostgreSQL binaries remain broken there and thereafter. > > > > |...] > > Thanks a lot for this investigation! I can fill in a gcc bug report. There > would be a enormous work to narrow it down to a small test case, it is > unclear how they can act about it, but at least they would know.
Have you done so? If so, what's the bug number? Greetings, Andres Freund