[PATCH] as: Reject unknown -gXXX option

[Nick Clifton]

Hi H.J.

> 	* as.c (parse_args): Reject unknown -gXXX option.
> 	* testsuite/gas/all/empty.s: New file.
> 	* testsuite/gas/all/pr29067.d: Likewise.
> 	* testsuite/gas/all/pr29067.err: Likewise.
> 	* testsuite/gas/all/gas.exp: Run pr29067.

Approved - please apply.

Cheers
   Nick