Fire 'stack' getter of error objects after GC.

test/cctest/test-heap.cc

Index: test/cctest/test-heap.cc
diff --git a/test/cctest/test-heap.cc b/test/cctest/test-heap.cc
index 27fa4b104aa65319ad16d1e5f2af168258245a0a..dcde07d6510f60b7c7400f459e152658244c744f 100644
--- a/test/cctest/test-heap.cc
+++ b/test/cctest/test-heap.cc
@@ -2425,11 +2425,7 @@ void ReleaseStackTraceDataTest(const char* source) {
     CHECK(!resource->IsDisposed());
   }
   HEAP->CollectAllAvailableGarbage();
-  // External source is being retained by the stack trace.
-  CHECK(!resource->IsDisposed());
 
-  CompileRun("error.stack;");
-  HEAP->CollectAllAvailableGarbage();
   // External source has been released.
   CHECK(resource->IsDisposed());
   delete resource;