* tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
	* tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
	* tree-ssa-operands.c (get_expr_operands): Likewise.
	(get_expr_operands): Likewise for ERROR_MARK.

From-SVN: r96351