[gold patch] incremental links should disable --gc-sections, --icf, etc.

[Ian Lance Taylor]

Cary Coutant <ccoutant@google.com> writes:

> 	* gold/gold.cc (queue_initial_tasks): Move option checks ...
> 	* gold/options.cc (General_options::finalize): ... to here. Disable
> 	some options; make others fatal.

This is OK.

Thanks.

Ian