On 2017-06-05 15:06:06 -0400, Tom Lane wrote:
> Andres Freund <and...@anarazel.de> writes:
> > On 2017-06-05 14:57:10 -0400, Tom Lane wrote:
> >> Meh.  Without volatile, I think that the compiler would be within its
> >> rights to elide the nentry local variable and re-fetch toc->toc_nentry
> >> each time through the loop.
> > I don't think that's true.
> Perhaps not, but I'm not quite convinced.  Anyway it doesn't matter,
> at least not here.

If not, we have a bunch of bugs in other files.  So if there are
concerns, we should better resolve them.

- Andres

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