[PATCH] PR middle-end/37805: --help=...,joined,undocumented

[Ralf Wildenhues]

* Ralf Wildenhues wrote on Sun, Mar 01, 2009 at 11:13:03AM CET:
> gcc.info documents:
> 
>             --help=warnings,^joined,^undocumented
[...]

This patch is not good enough yet.  Will re-redo the opts.c part.

> gcc/ChangeLog:
> 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
> 
> 	PR middle-end/37805
> 	* opts.c (print_specific_help): Accept `separate' and `joined'
> 	as separate flags.
> 	(common_handle_option): Skip over empty strings.
> 	* gcc.c (display_help): Fix help string for `--help='.
> 	* doc/invoke.texi (Option Summary, Overall Options): With
> 	`--help=', classes and qualifiers can both be repeated, but
> 	only the latter can be negated.  Fix markup and examples.
> 
> 	Revert
> 	2008-10-14  Jakub Jelinek  <jakub@redhat.com>
> 	PR middle-end/37805
> 	* opts.c (common_handle_option): Don't ICE on -fhelp=joined
> 	and -fhelp=separate.