1 files changed, 2 insertions, 1 deletions

diff --git a/src/lj_jit.h b/src/lj_jit.h
index 1ec54fe7..43a99392 100644
--- a/src/lj_jit.h
+++ b/src/lj_jit.h
@@ -233,7 +233,8 @@ typedef struct GCtrace {
   TraceNo1 root;        /* Root trace of side trace (or 0 for root traces). */
   TraceNo1 nextroot;    /* Next root trace for same prototype. */
   TraceNo1 nextside;    /* Next side trace of same root trace. */
-  uint16_t unused2;
+  uint8_t sinktags;     /* Trace has SINK tags. */
+  uint8_t unused1;
 #ifdef LUAJIT_USE_GDBJIT
   void *gdbjit_entry;   /* GDB JIT entry. */
 #endif