RFC: CACAO PR157 ARM memory barrier patch

[Matthias Klose]

On 11.03.2011 14:59, Xerxes Rånby wrote:
> Hi
> 
> The attached patch makes CACAO SMP safe on ARM by fixing
> CACAO PR157: ARM SMP Assertion thinlock failed.
> http://server.complang.tuwien.ac.at/cgi-bin/bugzilla/show_bug.cgi?id=157
> 
> Ok to push to IcedTea6 HEAD and 1.10 branch?

please could you make this check depending on the compiler version used? As it
is not in 4.5.x fsf, the safe version to check would be 4.6.0.

  Matthias