re PR lto/47788 (New LTO failures)

re PR lto/47788 (New LTO failures)

2012-10-04  Richard Guenther  <rguenther@suse.de>

	PR lto/47788
	* tree-streamer-out.c (write_ts_block_tree_pointers): For
	inlined functions outer scopes write the ultimate origin
	as BLOCK_ABSTRACT_ORIGIN and BLOCK_SOURCE_LOCATION.
	Do not stream the fragment chains.
	* tree-streamer-in.c (lto_input_ts_block_tree_pointers): Likewise.
	* dwarf2out.c (gen_subprogram_die): Handle NULL DECL_INITIAL.
	(dwarf2out_decl): Always output DECL_ABSTRACT function decls.

From-SVN: r192075