1 files changed, 1 insertions, 0 deletions
diff --git a/vm_core.h b/vm_core.h
index 55ed676afe..313e34f762 100644
--- a/vm_core.h
+++ b/vm_core.h
@@ -745,6 +745,7 @@ typedef struct rb_thread_struct {
     void *altstack;
 #endif
     unsigned long running_time_us;
+    VALUE name;
 } rb_thread_t;
 
 typedef enum {