* cgraph.c (cgraph_mark_address_taken_node): No longer imply needed flag.
* cgraph.h (cgraph_only_called_directly_p,
cgraph_can_remove_if_no_direct_calls_p): test address_taken flag.
(cgraph_can_remove_if_no_direct_calls_and_refs_p): New function.
* cgraphunit.c (cgraph_mark_functions_to_output): Test address_taken.
(assemble
* ipa.c (cgraph_remove_unreachable_nodes): Use
cgraph_can_remove_if_no_direct_calls_and_refs_p; clear address_taken flags.
* tree-inline.c (copy_bb): Check address_taken flag.
* tree-profile.c (tree_gen_ic_func_profiler): Check address_taken and
externally_visible flag.
* tree-ssa/unreachable.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@159354
138bc75d-0d04-0410-961f-
82ee72b054a4