1 files changed, 4 insertions, 4 deletions
diff --git a/js/src/gc/Nursery.cpp b/js/src/gc/Nursery.cpp
index aa50bf29e..55ca5a059 100644
--- a/js/src/gc/Nursery.cpp
+++ b/js/src/gc/Nursery.cpp
@@ -43,19 +43,19 @@ using mozilla::PodZero;
 
 static const uintptr_t CanaryMagicValue = 0xDEADB15D;
 
-struct js::Nursery::FreeMallocedBuffersTask : public GCParallelTask
+struct js::Nursery::FreeMallocedBuffersTask : public GCParallelTaskHelper<FreeMallocedBuffersTask>
 {
     explicit FreeMallocedBuffersTask(FreeOp* fop) : fop_(fop) {}
     bool init() { return buffers_.init(); }
     void transferBuffersToFree(MallocedBuffersSet& buffersToFree,
                                const AutoLockHelperThreadState& lock);
-    ~FreeMallocedBuffersTask() override { join(); }
+    ~FreeMallocedBuffersTask() { join(); }
+
+    void run();
 
   private:
     FreeOp* fop_;
     MallocedBuffersSet buffers_;
-
-    virtual void run() override;
 };
 
 struct js::Nursery::SweepAction