[c++, PR 47714] Reset the addressable flag of thunk PARM_DECLs

[Eric Botcazou]

> 2011-03-08  Martin Jambor  <mjambor@suse.cz>
>
> 	PR tree-optimization/47714
> 	* cp/method.c (use_thunk): Clear addressable flag of thunk arguments.

This should go in cp/ChangeLog without the cp/ prefix.

-- 
Eric Botcazou