On Fri, 25 Oct 2013, Richard Biener wrote:

> Btw, the C++ standard doesn't cover packed or aligned attributes so
> we could declare this a non-issue.  Any opinion on that?

I think the memory model naturally applies to packed structures (i.e., 
writes to fields in them should not write to any other fields except as 
part of a sequence of consecutive non-zero-width bit-fields, unless 
allow-store-data-races is set).

-- 
Joseph S. Myers
jos...@codesourcery.com

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