Move free node pos to t->node[0].freetop. Saves 4 bytes in GCtab.

1 files changed, 1 insertions, 2 deletions

diff --git a/src/lj_obj.h b/src/lj_obj.h
index a37c0882..048a74f9 100644
--- a/src/lj_obj.h
+++ b/src/lj_obj.h
@@ -453,7 +453,7 @@ typedef struct Node {
   TValue val;           /* Value object. Must be first field. */
   TValue key;           /* Key object. */
   MRef next;            /* Hash chain. */
-  int32_t unused;       /* For consistent alignment. */
+  MRef freetop;         /* Top of free elements (stored in t->node[0]). */
 } Node;
 
 LJ_STATIC_ASSERT(offsetof(Node, val) == 0);
@@ -468,7 +468,6 @@ typedef struct GCtab {
   MRef node;            /* Hash part. */
   uint32_t asize;       /* Size of array part (keys [0, asize-1]). */
   uint32_t hmask;       /* Hash part mask (size of hash part - 1). */
-  MRef lastfree;        /* Any free position is before this position. */
 } GCtab;
 
 #define sizetabcolo(n)  ((n)*sizeof(TValue) + sizeof(GCtab))