Introduce AllocateInNewSpace stub.

src/code-stubs.h

Index: src/code-stubs.h
diff --git a/src/code-stubs.h b/src/code-stubs.h
index 4d552ed506d918b0369e056a909bd22284886ad0..51ea6aa71536ebfa28b31a2b42ed49235001b582 100644
--- a/src/code-stubs.h
+++ b/src/code-stubs.h
@@ -60,6 +60,7 @@ namespace internal {
   V(VectorKeyedStoreIC)                     \
   /* HydrogenCodeStubs */                   \
   V(AllocateHeapNumber)                     \
+  V(AllocateInNewSpace)                     \
   V(ArrayNArgumentsConstructor)             \
   V(ArrayNoArgumentConstructor)             \
   V(ArraySingleArgumentConstructor)         \
@@ -2656,6 +2657,17 @@ class AllocateHeapNumberStub final : public HydrogenCodeStub {
 };
 
 
+class AllocateInNewSpaceStub final : public HydrogenCodeStub {
+ public:
+  explicit AllocateInNewSpaceStub(Isolate* isolate)
+      : HydrogenCodeStub(isolate) {}
+
+ private:
+  DEFINE_CALL_INTERFACE_DESCRIPTOR(AllocateInNewSpace);
+  DEFINE_HYDROGEN_CODE_STUB(AllocateInNewSpace, HydrogenCodeStub);
+};
+
+
 class ArrayConstructorStubBase : public HydrogenCodeStub {
  public:
   ArrayConstructorStubBase(Isolate* isolate,