-#define IND 29
-#define IND_OLDGEN 30
-#define IND_PERM 31
-#define IND_OLDGEN_PERM 32
-#define IND_STATIC 33
-#define CAF_UNENTERED 34
-#define CAF_ENTERED 35
-#define CAF_BLACKHOLE 36
-#define RET_BCO 37
-#define RET_SMALL 38
-#define RET_VEC_SMALL 39
-#define RET_BIG 40
-#define RET_VEC_BIG 41
-#define RET_DYN 42
-#define UPDATE_FRAME 43
-#define CATCH_FRAME 44
-#define STOP_FRAME 45
-#define SEQ_FRAME 46
-#define BLACKHOLE 47
-#define BLACKHOLE_BQ 48
-#define SE_BLACKHOLE 49
-#define SE_CAF_BLACKHOLE 50
-#define MVAR 51
-#define ARR_WORDS 52
-#define MUT_ARR_PTRS 53
+#define AP_STACK 29
+#define IND 30
+#define IND_OLDGEN 31
+#define IND_PERM 32
+#define IND_OLDGEN_PERM 33
+#define IND_STATIC 34
+#define RET_BCO 35
+#define RET_SMALL 36
+#define RET_VEC_SMALL 37
+#define RET_BIG 38
+#define RET_VEC_BIG 39
+#define RET_DYN 40
+#define RET_FUN 41
+#define UPDATE_FRAME 42
+#define CATCH_FRAME 43
+#define STOP_FRAME 44
+#define CAF_BLACKHOLE 45
+#define BLACKHOLE 46
+#define SE_BLACKHOLE 47
+#define SE_CAF_BLACKHOLE 48
+#define MVAR 49
+#define ARR_WORDS 50
+#define MUT_ARR_PTRS_CLEAN 51
+#define MUT_ARR_PTRS_DIRTY 52
+#define MUT_ARR_PTRS_FROZEN0 53