re PR lto/54095 (Unnecessary static variable renaming)

re PR lto/54095 (Unnecessary static variable renaming)

	PR lto/54095
	* cgraph.c (cgraph_make_node_local_1): Se unique_name.
	* cgraph.h (symtab_node_base): Add unique_name.
	* lto-cgraph.c (lto_output_node, lto_output_varpool_node,
	input_overwrite_node, input_varpool_node): Stream unique_name.
	* cgraphclones.c (cgraph_create_virtual_clone,
	cgraph_function_versioning): Set unique_name.
	* ipa.c (function_and_variable_visibility): Set unique_name.

From-SVN: r198710