[patch][rfc] Emit DeferredDeclsToEmit in order

[Rafael Espíndola]

On 21 January 2015 at 16:25, Richard Smith <richard at metafoo.co.uk> wrote:
> You lose one nice property of the current model: if we emit 'f', and
> 'f' calls 'g', we then immediately emit 'g' as well. I think it'd be
> nicer to emit declarations in something like depth-first usage order.
> (Something like: swap DeferredDeclsToEmit with a local, then walk it
> emitting decls, and after each one, recursively call
> emitCurrentDeferredDecls if DeferredDeclsToEmit isn't empty.)

I like it!

What do you think of the attached patch?

Cheers,
Rafael
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