+ ;; Gencgc only, but symbols exist for manual building
+ ;; convenience on all platforms.
+ "GENERATION-AVERAGE-AGE"
+ "GENERATION-BYTES-ALLOCATED"
+ "GENERATION-BYTES-CONSED-BETWEEN-GCS"
+ "GENERATION-MINIMUM-AGE-BEFORE-GC"
+ "GENERATION-NUMBER-OF-GCS"
+ "GENERATION-NUMBER-OF-GCS-BEFORE-PROMOTION"