[PATCH] Fix PR29512, O(c^N) complexity algorithm in the i386 backend

[Mark Mitchell]

Jan Hubicka wrote:
>> But the BINFO walking is redundant
>> completely anyway, as we are only interested in seeing all structure
>> data members which are also available by walking the TYPE_FIELDs like
>> the rest of the middle-end does.
> 
> This is very important, so I would feel safer if some C++ person can
> confirm this. The patch is potentially ABI breaking...

I don't see a problem with this change.

-- 
Mark Mitchell
CodeSourcery
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