* passes.c (ipa_write_summaries_1, ipa_write_optimization_summaries): Allocate
	encoders.
	* lto-section-out.c (lto_new_out_decl_state): Do not allocate it here.
	* lto-streamer.c (lto_streamer_cache_insert_1): Use alloc pool.
	(lto_streamer_cache_create): Init alloc pool.
	(lto_streamer_cache_delete): Free alloc pool.
	* lto-streamer.h: Include alloc pool.
	(lto_streamer_cache_d): Use alloc pool.
	* lto-stramer-out.c (produce_asm_for_decls): Delete fn_out_states.

From-SVN: r159230