Revert of Preprocess structured stack trace on GC to get rid of code reference.

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 906b4fe8a968fb8beaba0db2fb175d08ee6bd39f..b8d7676a1bae20fde605ba8fa8f643831bd25ae3 100644
--- a/test/cctest/test-heap.cc
+++ b/test/cctest/test-heap.cc
@@ -5379,36 +5379,3 @@
   array->Compact();
   WeakFixedArray::Add(array, number);
 }
-
-
-TEST(PreprocessStackTrace) {
-  // Do not automatically trigger early GC.
-  FLAG_gc_interval = -1;
-  CcTest::InitializeVM();
-  v8::HandleScope scope(CcTest::isolate());
-  v8::TryCatch try_catch;
-  CompileRun("throw new Error();");
-  CHECK(try_catch.HasCaught());
-  Isolate* isolate = CcTest::i_isolate();
-  Handle<Object> exception = v8::Utils::OpenHandle(*try_catch.Exception());
-  Handle<Name> key = isolate->factory()->stack_trace_symbol();
-  Handle<Object> stack_trace =
-      JSObject::GetProperty(exception, key).ToHandleChecked();
-  Handle<Object> code =
-      Object::GetElement(isolate, stack_trace, 3).ToHandleChecked();
-  CHECK(code->IsCode());
-
-  isolate->heap()->CollectAllAvailableGarbage("stack trace preprocessing");
-
-  Handle<Object> pos =
-      Object::GetElement(isolate, stack_trace, 3).ToHandleChecked();
-  CHECK(pos->IsSmi());
-
-  Handle<JSArray> stack_trace_array = Handle<JSArray>::cast(stack_trace);
-  int array_length = Smi::cast(stack_trace_array->length())->value();
-  for (int i = 0; i < array_length; i++) {
-    Handle<Object> element =
-        Object::GetElement(isolate, stack_trace, i).ToHandleChecked();
-    CHECK(!element->IsCode());
-  }
-}