tree_node for garbage collection purposes, as well as specifying what structures
contain what other structures in the tree_contains_struct array. */
+DEFTREESTRUCT(TS_BASE, "base")
DEFTREESTRUCT(TS_COMMON, "common")
DEFTREESTRUCT(TS_INT_CST, "integer cst")
DEFTREESTRUCT(TS_REAL_CST, "real cst")
DEFTREESTRUCT(TS_BLOCK, "block")
DEFTREESTRUCT(TS_BINFO, "binfo")
DEFTREESTRUCT(TS_STATEMENT_LIST, "statement list")
+DEFTREESTRUCT(TS_GIMPLE_STATEMENT, "gimple statement")
DEFTREESTRUCT(TS_VALUE_HANDLE, "value handle")
DEFTREESTRUCT(TS_CONSTRUCTOR, "constructor")
DEFTREESTRUCT(TS_MEMORY_TAG, "memory tag")
DEFTREESTRUCT(TS_STRUCT_FIELD_TAG, "struct field tag")
DEFTREESTRUCT(TS_OMP_CLAUSE, "omp clause")
+DEFTREESTRUCT(TS_MEMORY_PARTITION_TAG, "memory partition tag")