[PATCH v3] ld: Add --no-print-map-discarded option

[Nick Clifton]

Hi Faraz,

> 	* NEWS: Mention new option --no-print-map-discarded.
> 	* ld.h (ld_config_type) <print_map_discarded>: New field.
> 	* ldlang.c (lang_map): Conditionally output discarded sections
> 	in map files based on configuration option.
> 	* ldlex.h (option_values) <OPTION_PRINT_MAP_DISCARDED,
> 	OPTION_NO_PRINT_MAP_DISCARDED>: New.
> 	* ldmain.c (main): Enabled print_map_discarded by default.
> 	* lexsup.c (ld_options): Add new command-line options.
> 	(parse_args) <OPTION_NO_PRINT_MAP_DISCARDED,
> 	OPTION_PRINT_MAP_DISCARDED>: New cases.
> 	* ld.texi: Document new options.
> 	* testsuite/ld-gc/gc.exp: Add new test.
> 	* testsuite/ld-gc/skip-map-discarded.s: New file.
> 	* testsuite/ld-gc/skip-map-discarded.d: New file.
> 	* testsuite/ld-gc/skip-map-discarded.map: New file.

> This is corrected version 3 of a patch posted for review few months back,
> but not committed due to pending copyright assignment. Somehow managed to
> reverse the previous version before posting.
 The patch looks good to me.  Once the copyright assignment is in place
please ping me and I will approve it.

Cheers
  Nick