[arm] Use EABI unwind library

[Paul Brook]

On Wednesday 22 September 2004 04:14, Mark Mitchell wrote:
> Paul Brook wrote:
> >Bootstrapped and tested on i686, and tested with cross to arm-none-elf and
> >arm-none-eabi.
>
> Excellent!
>
> >Ok for csl-arm-branch?
>
> Given that Richard Earnshaw is on vacation, I think you should just go
> ahead on the csl-arm-branch.

For the record attached is what I applied to the csl-arm-branch.
Basically the same as before, just replace || with && in 
__is_gxx_exception_class, and some formatting/comment changes.

Paul
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