re PR lto/54632 (not supported in LTO streams : tree code '�F ��D�� `)

2012-09-24  Richard Guenther  <rguenther@suse.de>

	PR middle-end/54632
	* tree-ssa-live.c (clear_unused_block_pointer_1): Do not
	handle DECL_DEBUG_EXPR_IS_FROM here...
	(clear_unused_block_pointer): ... but here when walking all
	local decls.

From-SVN: r191669