X87: [stubs] Port FastNewObjectStub to TF.

src/builtins/x87/builtins-x87.cc

Index: src/builtins/x87/builtins-x87.cc
diff --git a/src/builtins/x87/builtins-x87.cc b/src/builtins/x87/builtins-x87.cc
index f75bfc5201d2ed06e73deb998ad5da5afd0cac3a..e4762d16ed51f6ef60d13f7a70e544582b006c38 100644
--- a/src/builtins/x87/builtins-x87.cc
+++ b/src/builtins/x87/builtins-x87.cc
@@ -135,8 +135,8 @@ void Generate_JSConstructStubHelper(MacroAssembler* masm, bool is_api_function,
       // Allocate the new receiver object.
       __ Push(edi);
       __ Push(edx);
-      FastNewObjectStub stub(masm->isolate());
-      __ CallStub(&stub);
+      __ Call(CodeFactory::FastNewObject(masm->isolate()).code(),
+              RelocInfo::CODE_TARGET);
       __ mov(ebx, eax);
       __ Pop(edx);
       __ Pop(edi);
@@ -1938,8 +1938,8 @@ void Builtins::Generate_NumberConstructor_ConstructStub(MacroAssembler* masm) {
     FrameScope scope(masm, StackFrame::MANUAL);
     __ EnterBuiltinFrame(esi, edi, ecx);
     __ Push(ebx);  // the first argument
-    FastNewObjectStub stub(masm->isolate());
-    __ CallStub(&stub);
+    __ Call(CodeFactory::FastNewObject(masm->isolate()).code(),
+            RelocInfo::CODE_TARGET);
     __ Pop(FieldOperand(eax, JSValue::kValueOffset));
     __ LeaveBuiltinFrame(esi, edi, ecx);
   }
@@ -2101,8 +2101,8 @@ void Builtins::Generate_StringConstructor_ConstructStub(MacroAssembler* masm) {
     __ SmiTag(ebx);
     __ EnterBuiltinFrame(esi, edi, ebx);
     __ Push(eax);  // the first argument
-    FastNewObjectStub stub(masm->isolate());
-    __ CallStub(&stub);
+    __ Call(CodeFactory::FastNewObject(masm->isolate()).code(),
+            RelocInfo::CODE_TARGET);
     __ Pop(FieldOperand(eax, JSValue::kValueOffset));
     __ LeaveBuiltinFrame(esi, edi, ebx);
     __ SmiUntag(ebx);