Anonymous structs with duplicate members within unions

[Mark Mitchell]

Steven L. Zook wrote:
> "As such, they are ambiguous."
> 
> That seems a little harsh :-(

No; uDerf::A is ambiguous.  Which one is it?  You seem to be seeing that 
you want the A in the two anonymous structs to be merged together. 
There's no precedent for that in any compiler I've ever seen.  If 
they're not merged together, then they're ambiguous, in the sense that 
the C++ standard uses that term.

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Mark Mitchell
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