r230915 - in /trunk: gcc/ChangeLog gcc/common.o...

[hubicka@gcc.gnu.org]

Author: hubicka
Date: Wed Nov 25 23:05:07 2015
New Revision: 230915

URL: https://gcc.gnu.org/viewcvs?rev=230915&root=gcc&view=rev
Log:

	PR lto/67548
	* lto-plugin.c (linker_output, linker_output_set): New statics.
	(all_symbols_read_handler): Add -flinker-output option.
	(onload): Record linker_output info.

	* ipa-visibility.c (cgraph_externally_visible_p,
	varpool_node::externally_visible_p): When doing incremental linking,
	hidden symbols may be still used later.
	(update_visibility_by_resolution_info): Do not drop weak during
	incremental link.
	(function_and_variable_visibility): Fix formating.
	* flag-types.h (lto_linker_output): Declare.
	* common.opt 9flag_incremental_link): New flag.

	* lto-lang.c (lto_post_options): Process flag_lto_linker_output.
	* lang.opt (lto_linker_output): New enum.
	(flinker_output): New flag.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/common.opt
    trunk/gcc/flag-types.h
    trunk/gcc/ipa-visibility.c
    trunk/gcc/lto/ChangeLog
    trunk/gcc/lto/lang.opt
    trunk/gcc/lto/lto-lang.c
    trunk/lto-plugin/ChangeLog
    trunk/lto-plugin/lto-plugin.c