ARM : fix bug in indy code caused by the ARM JIT optimization patch

[Andrew Dinn]

The recent ARM JIT optimization patch (ed's big patch) reassigned the
register holding the current Java thread. This inadvertently broke
invokedynamic calls because the call to
CppInterpreter::method_handle_entry from fast_method_handle_entry is
relying upon the thread handle already being in argument register r2. A
move from the thread register to r2 before making the call to method
method_handle_entry fixes the problem.

See attached one line patch for precise details.


regards,


Andrew Dinn
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