Re: Warnings in compile

On Mon, May 25, 2009 at 11:27:27AM -0400, Tom Lane wrote:
> Oh, right, that was Bruce's "improvement" of the COPY code.  I was less
> than thrilled with it, but didn't have an easy alternative.
> 
> You can't just remove the "else", or it's unsafe; and I'm afraid that

But why? What does this empty else accomplish? I'd like to understand the need
for it. 

> changing the macros into "else {}" would still leave us with some
> warnings about empty statements ...

Hmm, apparently no, at least not on my gcc 4.3. As soon as I add the empty
braces, the warning is gone. But without really understanding the need for this
I certainly don't want to make that change. Maybe Bruce can comment.

Michael
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