Chris Lattner wrote:-

> >I think it's worth noting that we build the SSA form even when we're
> >not optimizing.  Which in turn with running the maybe-uninitialized
> >warning code early would give you the warnings you expect without
> >needing to run the optimizers.  That's why I don't think we need to push
> >these warnings into the front-ends.
> 
> Sure, running it as the first stage of the optimizers has the effect of 
> making it have the properties I desire, without requiring the front-ends 
> to duplicate the code.  Such a feature would be great to have!

I agree if it's run with -fsyntax-only; IMO this flag should pick up
the obvious cases.

Neil.

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