New template fibonacci_heap class introduced.

New template fibonacci_heap class introduced.

	* fibonacci_heap.h: New file.
	(fibonacci_heap::insert): Created from fibheap_insert.
	(fibonacci_heap::empty): Created from fibheap_empty.
	(fibonacci_heap::nodes): Created from fibheap_nodes.
	(fibonacci_heap::min_key): Created from fibheap_min_key.
	(fibonacci_heap::decrease_key): Created from fibheap_replace_key.
	(fibonacci_heap::replace_key_data): Created from fibheap_replace_key_data.
	(fibonacci_heap::extract_min): Created from fibheap_extract_min.
	(fibonacci_heap::min): Created from fibheap_min.
	(fibonacci_heap::replace_data): Created from fibheap_replace_data.
	(fibonacci_heap::delete_node): Created from fibheap_delete_node.
	(fibonacci_heap::union_with): Created from fibheap_union.
	* ipa-inline.c (update_edge_key): New heap API is used.
	(update_caller_keys): Likewise.
	(update_callee_keys): Likewise.
	(lookup_recursive_calls): Likewise.
	(recursive_inlining): Likewise.
	(add_new_edges_to_heap): Likewise.
	(heap_edge_removal_hook): Likewise.
	(inline_small_functions): Likewise.

From-SVN: r217720