On Mon, Sep 28, 2015 at 11:10:52AM -0400, Robert Haas wrote:
> On Fri, Sep 25, 2015 at 3:41 AM, Andreas Seltenreich <andreas.seltenreich@credativ.de> wrote:
> > OTOH, a unit test for multixact.c that exercises the code including
> > wraparounds sounds like a desirable thing regardless of the fact that it
> > could have caught this miscompilation earlier than 6 months into
> > production.
>
> Definitely.
+1. Catching compiler bugs is an important role of "make check". That suite
has a notable gap if it passes despite a compiler bug ruining the binary.