1 files changed, 5 insertions, 0 deletions
diff --git a/vm_core.h b/vm_core.h
index 130063a490..62850f28ce 100644
--- a/vm_core.h
+++ b/vm_core.h
@@ -454,6 +454,11 @@ typedef struct rb_thread_struct {
     /* temporary place of errinfo */
     VALUE errinfo;
 
+    /* temporary place of retval on OPT_CALL_THREADED_CODE */
+#if OPT_CALL_THREADED_CODE
+    VALUE retval;
+#endif
+
     /* async errinfo queue */
     VALUE async_errinfo_queue;
     int async_errinfo_queue_checked;