PR ipa/65034
	* stmt.c (emit_case_nodes): Use void_type_node instead of
	NULL_TREE as LABEL_DECL type.

	* decl.c (start_preparsed_function): Use void_type_node instead
	of NULL_TREE as LABEL_DECL type.

	* g++.dg/ipa/pr65034.C: New test.

From-SVN: r220683