+ *gc-pending*
+ #!-sb-thread
+ *stepping*
+
+ ;; Dispatch tables for generic array access
+ sb!impl::*data-vector-reffers*
+ sb!impl::*data-vector-setters*
+ sb!impl::*data-vector-reffers/check-bounds*
+ sb!impl::*data-vector-setters/check-bounds*
+
+ ;; hash table weaknesses
+ :key
+ :value
+ :key-and-value
+ :key-or-value))