[stubs] Port FastNewObjectStub to TF

src/code-stubs.h

Index: src/code-stubs.h
diff --git a/src/code-stubs.h b/src/code-stubs.h
index a94cbf82935f6de012fa9e87fc85df6fccdb58ee..734291c6e6de1c9bb967e8b827ed9f43419f36f4 100644
--- a/src/code-stubs.h
+++ b/src/code-stubs.h
@@ -50,7 +50,6 @@ class Node;
   V(StoreElement)                             \
   V(SubString)                                \
   V(LoadGlobalIC)                             \
-  V(FastNewObject)                            \
   V(FastNewRestParameter)                     \
   V(FastNewSloppyArguments)                   \
   V(FastNewStrictArguments)                   \
@@ -821,15 +820,6 @@ class FastNewFunctionContextStub final : public TurboFanCodeStub {
   DEFINE_TURBOFAN_CODE_STUB(FastNewFunctionContext, TurboFanCodeStub);
 };
 
-class FastNewObjectStub final : public PlatformCodeStub {
- public:
-  explicit FastNewObjectStub(Isolate* isolate) : PlatformCodeStub(isolate) {}
-
-  DEFINE_CALL_INTERFACE_DESCRIPTOR(FastNewObject);
-  DEFINE_PLATFORM_CODE_STUB(FastNewObject, PlatformCodeStub);
-};
-
-
 // TODO(turbofan): This stub should be possible to write in TurboFan
 // using the CodeStubAssembler very soon in a way that is as efficient
 // and easy as the current handwritten version, which is partly a copy