* tree-cfg.c (verify_expr): Replace TREE_OPERAND with
	COND_EXPR_COND.
	* tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
	* tree-ssa-dom.c (thread_across_edge): Likewise.
	* tree-vectorizer.c (vect_transform_loop_bound): Replace
	TREE_OPERAND with COND_EXPR_COND, COND_EXPR_THEN, or
	COND_EXPR_ELSE.

From-SVN: r90703