[4.7] Avoid global state in pdp11_handle_option

[Paul Koning]

On Mar 6, 2011, at 8:59 PM, Joseph S. Myers wrote:

> This patch, for 4.7 and relative to a tree with
> <http://gcc.gnu.org/ml/gcc-patches/2011-02/msg01709.html> applied,
> stops the pdp11 handle_option hook from using global state.
> 
> Tested building cc1 and xgcc for cross to pdp11-none.  Will commit to
> trunk for 4.7 in the absence of target maintainer objections.
> ...

Looks good.  Thanks Joseph.

	paul