Add extra optimizations: -Ox

[Joseph S. Myers]

On Fri, 9 Mar 2001, Cosmin Truta wrote:

> Fri  9 Mar 2001  Cosmin Truta <cosmint@cs.ubbcluj.ro>
> 	* toplev.c, flags.h (optimize_extra): Define.
> 	* toplev.c (main): When using the -Ox command-line option,
> 	set optimize_extra and enable additional optimization flags.

This patch fails to include changes to invoke.texi to document the new
flag.

-- 
Joseph S. Myers
jsm28@cam.ac.uk