* ipa.c (cgraph_externally_visible_p, varpool_externally_visible_p): Drop
	aliased parameter.
	(function_and_variable_visibility): Do not handle alias pairs.
	* cgraph.c (varpool_externally_visible_p): Update prototype.
	* varpool.c (varpool_add_new_variable): Update.

From-SVN: r197652