On Fri, 2012-12-14 at 17:03 -0500, Tom Lane wrote:
> Having the layer is a good thing, eg so that USE_ASSERT_CHECKING
> can control it, or so that somebody can inject a different behavior
> if they want.
You could also (or at least additionally) map !USE_ASSERT_CHECKING to
NDEBUG. This would also help with imported code that calls assert()
directly.