typedef const struct rtvec_def *const_rtvec;
union tree_node;
typedef union tree_node *tree;
+union gimple_statement_d;
+typedef union gimple_statement_d *gimple;
typedef const union tree_node *const_tree;
+typedef const union gimple_statement_d *const_gimple;
union section;
typedef union section section;
+struct cl_target_option;
+struct cl_optimization;
+struct gimple_seq_d;
+typedef struct gimple_seq_d *gimple_seq;
+typedef const struct gimple_seq_d *const_gimple_seq;
+struct gimple_seq_node_d;
+typedef struct gimple_seq_node_d *gimple_seq_node;
+typedef const struct gimple_seq_node_d *const_gimple_seq_node;
/* The major intermediate representations of GCC. */
enum ir_type {