re PR ipa/44563 (GCC uses a lot of RAM when compiling a large numbers of functions)

re PR ipa/44563 (GCC uses a lot of RAM when compiling a large numbers of functions)

	PR middle-end/44563
	* ipa-inline.c: Update doplevel comment.
	(cgraph_estimate_size_after_inlining): Remove times attribute.
	(cgraph_mark_inline_edge): Update.
	(cgraph_mark_inline): Remove.
	(cgraph_estimate_growth): Update.
	(cgraph_check_inline_limits): Remove one only argument.
	(cgraph_edge_badness): Update.
	(cgraph_decide_recursive_inlining): Update.
	(cgraph_decide_inlining_of_small_function): Fix handling of tree_can_inline_p
	and call_stmt_cannot_inline_p.
	(cgraph_flatten): Likewise.
	(cgraph_decide_inlining): Update.
	(cgraph_decide_inlining_incrementally): Fix handling of call_stmt_cannot_inline_p.

From-SVN: r167964