1 files changed, 9 insertions, 8 deletions
diff --git a/gc.c b/gc.c
index 0c139400cf..db3dce55bf 100644
--- a/gc.c
+++ b/gc.c
@@ -2055,16 +2055,17 @@ gc_lazy_sweep(rb_objspace_t *objspace)
     GC_PROF_TIMER_START;
     GC_PROF_SWEEP_TIMER_START;
 
-    res = lazy_sweep(objspace);
-    if (res) {
-        GC_PROF_SWEEP_TIMER_STOP;
-        GC_PROF_SET_MALLOC_INFO;
-        GC_PROF_TIMER_STOP(Qfalse);
-        return res;
+    if (objspace->heap.sweep_slots) {
+        res = lazy_sweep(objspace);
+        if (res) {
+            GC_PROF_SWEEP_TIMER_STOP;
+            GC_PROF_SET_MALLOC_INFO;
+            GC_PROF_TIMER_STOP(Qfalse);
+            return res;
+        }
+        after_gc_sweep(objspace);
     }
 
-    after_gc_sweep(objspace);
-
     gc_marks(objspace);
 
     before_gc_sweep(objspace);