#define CONST_CAST_TREE(X) CONST_CAST (union tree_node *, (X))
#define CONST_CAST_RTX(X) CONST_CAST (struct rtx_def *, (X))
#define CONST_CAST_BB(X) CONST_CAST (struct basic_block_def *, (X))
-#define CONST_CAST_GIMPLE(X) CONST_CAST (union gimple_statement_d *, (X))
+#define CONST_CAST_GIMPLE(X) CONST_CAST (struct gimple_statement_base *, (X))
/* Activate certain diagnostics as warnings (not errors via the
-Werror flag). */