re PR lto/45018 (ICE: tree check: did not expect class 'type', have 'type' (record_type) in contains_placeholder_p, at tree.c:2749)

2010-07-21  Richard Guenther  <rguenther@suse.de>

	PR lto/45018
	* tree.c (find_decls_types_r): Do not follow TREE_CHAIN
	of TYPE_DECLs.  Do not follow TYPE_NEXT_VARIANT,
	TYPE_NEXT_PTR_TO, nor TYPE_NEXT_REF_TO or TYPE_CANONICAL.

	* g++.dg/lto/20100721-1_0.C: New testcase.

From-SVN: r162380