Can somebody, please, give me an instruction on how to check this patch 
in to GDB 7.0 branch ?
Or, just apply the patch.

I don't have an access to the branch and wasn't able to find out how to 
get it.

Thanks,
-- Maxim

Maxim Grigoriev wrote:
> On Xtensa CALL0 ABI, prologue analysis does not work, when MSB is set in 
> the address(es).
>
>