| Index: src/code-stubs.h
 | 
| diff --git a/src/code-stubs.h b/src/code-stubs.h
 | 
| index 7a6ad6ad6e83c27b225ce90ba2a5a5f1bfebf7db..bf87a0d157449b26e12b373d0d7aaf15763021be 100644
 | 
| --- a/src/code-stubs.h
 | 
| +++ b/src/code-stubs.h
 | 
| @@ -65,6 +65,7 @@ namespace internal {
 | 
|    V(FastCloneShallowObject)                 \
 | 
|    V(FastNewClosure)                         \
 | 
|    V(FastNewContext)                         \
 | 
| +  V(GrowArrayElements)                      \
 | 
|    V(InternalArrayNArgumentsConstructor)     \
 | 
|    V(InternalArrayNoArgumentConstructor)     \
 | 
|    V(InternalArraySingleArgumentConstructor) \
 | 
| @@ -662,6 +663,29 @@ class CreateAllocationSiteStub : public HydrogenCodeStub {
 | 
|  };
 | 
|  
 | 
|  
 | 
| +class GrowArrayElementsStub : public HydrogenCodeStub {
 | 
| + public:
 | 
| +  GrowArrayElementsStub(Isolate* isolate, bool is_js_array, ElementsKind kind)
 | 
| +      : HydrogenCodeStub(isolate) {
 | 
| +    set_sub_minor_key(ElementsKindBits::encode(kind) |
 | 
| +                      IsJsArrayBits::encode(is_js_array));
 | 
| +  }
 | 
| +
 | 
| +  ElementsKind elements_kind() const {
 | 
| +    return ElementsKindBits::decode(sub_minor_key());
 | 
| +  }
 | 
| +
 | 
| +  bool is_js_array() const { return IsJsArrayBits::decode(sub_minor_key()); }
 | 
| +
 | 
| + private:
 | 
| +  class ElementsKindBits : public BitField<ElementsKind, 0, 8> {};
 | 
| +  class IsJsArrayBits : public BitField<bool, ElementsKindBits::kNext, 1> {};
 | 
| +
 | 
| +  DEFINE_CALL_INTERFACE_DESCRIPTOR(GrowArrayElements);
 | 
| +  DEFINE_HYDROGEN_CODE_STUB(GrowArrayElements, HydrogenCodeStub);
 | 
| +};
 | 
| +
 | 
| +
 | 
|  class InstanceofStub: public PlatformCodeStub {
 | 
|   public:
 | 
|    enum Flags {
 | 
| 
 |