[heap] Record references in the new code objects in heap::CopyCode.

src/heap/heap.h

Index: src/heap/heap.h
diff --git a/src/heap/heap.h b/src/heap/heap.h
index d17e07d5959a3bf1318bf22f64b65eeeafd254ac..13af2092ed7f94c4618ae8770ce36e2d942e2101 100644
--- a/src/heap/heap.h
+++ b/src/heap/heap.h
@@ -23,6 +23,9 @@
 namespace v8 {
 namespace internal {
 
+class Heap;
+AllocationResult TestCopyCode(Heap* heap, Code* code);
+
 using v8::MemoryPressureLevel;
 
 // Defines all the roots in Heap.
@@ -1863,6 +1866,8 @@ class Heap {
                         int parameter_count, FixedArray* constant_pool);
 
   MUST_USE_RESULT AllocationResult CopyCode(Code* code);
+  // The test function ofCopyCode in cctest/test-heap.cc.
+  friend AllocationResult TestCopyCode(Heap* heap, Code* code);

[Michael Lippautz, 2016/08/02 19:07:57]

No need to do that. Have a look at
  test/cctest/heap/heap-tester.h
. Then just declare the test as HEAP_TEST(YourTest) {} and you have access to
internals.

[ahaas, 2016/08/03 08:47:42]

Done.

 
   MUST_USE_RESULT AllocationResult
   CopyBytecodeArray(BytecodeArray* bytecode_array);