ipa-visibility.c (function_and_variable_visibility): Only check locality if node is not already local.

	* ipa-visibility.c (function_and_variable_visibility): Only
	check locality if node is not already local.
	* ipa-inline.c (want_inline_function_to_all_callers_p): Use
	call_for_symbol_and_aliases instead of
	call_for_symbol_thunks_and_aliases.
	(ipa_inline): Likewise.
	* cgraph.c (cgraph_node::call_for_symbol_thunks_and_aliases):
	first walk aliases.
	* ipa.c (symbol_table::remove_unreachable_nodes): Use
	call_for_symbol_and_aliases.
	* ipa-profile.c (ipa_propagate_frequency_data): Add function_symbol.
	(ipa_propagate_frequency_1): Use it; use opt_for_fn
	(ipa_propagate_frequency): Update.
	(ipa_profile): Add opt_for_fn gueards.

From-SVN: r220775