On 2017-12-17 11:03:49 -0500, Tom Lane wrote:
> Michael Paquier <michael.paquier@gmail.com> writes:
> > ... Please note that if you added
> > a volatile cast to "result" as well, then compilation was able to
> > complete and regression tests passed...
>
> Yeah, that squares with my analysis: the problem with the existing test
> is that the compiler is throwing away the function call because its
> output is unused.
>
> If I haven't seen something from Andres shortly, I'll push a fix.
Thanks! Was off for most of yesterday...
Greetings,
Andres Freund