re PR lto/45375 ([meta-bug] Issues with building Mozilla (i.e. Firefox) with LTO)

re PR lto/45375 ([meta-bug] Issues with building Mozilla (i.e. Firefox) with LTO)

	PR lto/45375
	* ipa-inline.c (want_inline_small_function_p): Bypass
	inline limits for hinted functions.
	(edge_badness): Dump hints; decrease badness for hinted funcitons.
	* ipa-inline.h (enum inline_hints_vals): New enum.
	(inline_hints): New type.
	(edge_growth_cache_entry): Add hints.
	(dump_inline_summary): Update.
	(dump_inline_hints): Declare.
	(do_estimate_edge_hints): Declare.
	(estimate_edge_hints): New inline function.
	(reset_edge_growth_cache): Update.
	* predict.c (cgraph_maybe_hot_edge_p): Do not ice on indirect edges.
	* ipa-inline-analysis.c (dump_inline_hints): New function.
	(estimate_edge_devirt_benefit): Return true when function should be
	hinted.
	(estimate_calls_size_and_time): New hints argument; set it when
	devritualization happens.
	(estimate_node_size_and_time): New hints argument.
	(do_estimate_edge_time): Cache hints.
	(do_estimate_edge_growth): Update.
	(do_estimate_edge_hints): New function

From-SVN: r190509