[PATCH] Fix C++0x memory model for -fno-strict-volatile-bitfields on ARM

[Bernd Edlinger]

Hi,

On Fri, 15 Nov 2013 13:30:51, Richard Biener wrote:
>> That looks like always pretending it is a bit field.
>> But it is not a bit field, and bitregion_start=bitregion_end=0
>> means it is an ordinary value.
>
> I don't think it is supposed to mean that. It's supposed to mean
> "the access is unconstrained".
>

Ok, agreed, I did not regard that as a feature.
And apparently only the code path in expand_assigment
really has a problem with it.

So here my second attempt at fixing this.

Boot-strapped and regression-tested on x86_64-linux-gnu.

OK for trunk?


Thanks
Bernd. 		 	   		  
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