1 files changed, 4 insertions, 5 deletions
diff --git a/gc.c b/gc.c
index 5c298de0b1..cdc8891d7c 100644
--- a/gc.c
+++ b/gc.c
@@ -3168,11 +3168,6 @@ rb_gc_mark_children(void *objspace, VALUE obj)
     switch (BUILTIN_TYPE(obj)) {
       case T_FLOAT:
       case T_BIGNUM:
-      case T_SYMBOL:
-        /* Not immediates, but does not have references and singleton class.
-         *
-         * RSYMBOL(obj)->fstr intentionally not marked. See log for 96815f1e
-         * ("symbol.c: remove rb_gc_mark_symbols()") */
         return;
 
       case T_NIL:
@@ -3230,6 +3225,10 @@ rb_gc_mark_children(void *objspace, VALUE obj)
         mark_hash(obj);
         break;
 
+      case T_SYMBOL:
+        gc_mark_internal(RSYMBOL(obj)->fstr);
+        break;
+
       case T_STRING:
         if (STR_SHARED_P(obj)) {
             if (STR_EMBED_P(RSTRING(obj)->as.heap.aux.shared)) {