Upgrade V8 to 5.1.281.57  DO NOT MERGE

FPIIM-449

Change-Id: Id981b686b4d587ac31697662eb98bb34be42ad90
(cherry picked from commit 3b9bc31999c9787eb726ecdbfd5796bfdec32a18)
diff --git a/src/arm64/interface-descriptors-arm64.cc b/src/arm64/interface-descriptors-arm64.cc
index c6ae37e..f307aeb 100644
--- a/src/arm64/interface-descriptors-arm64.cc
+++ b/src/arm64/interface-descriptors-arm64.cc
@@ -114,37 +114,8 @@
 }
 
 
-void ToNumberDescriptor::InitializePlatformSpecific(
-    CallInterfaceDescriptorData* data) {
-  // x0: value
-  Register registers[] = {x0};
-  data->InitializePlatformSpecific(arraysize(registers), registers);
-}
-
-
 // static
-const Register ToLengthDescriptor::ReceiverRegister() { return x0; }
-
-
-// static
-const Register ToStringDescriptor::ReceiverRegister() { return x0; }
-
-
-// static
-const Register ToNameDescriptor::ReceiverRegister() { return x0; }
-
-
-// static
-const Register ToObjectDescriptor::ReceiverRegister() { return x0; }
-
-
-void NumberToStringDescriptor::InitializePlatformSpecific(
-    CallInterfaceDescriptorData* data) {
-  // x0: value
-  Register registers[] = {x0};
-  data->InitializePlatformSpecific(arraysize(registers), registers);
-}
-
+const Register TypeConversionDescriptor::ArgumentRegister() { return x0; }
 
 void TypeofDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
@@ -294,6 +265,13 @@
   data->InitializePlatformSpecific(0, nullptr, nullptr);
 }
 
+#define SIMD128_ALLOC_DESC(TYPE, Type, type, lane_count, lane_type) \
+  void Allocate##Type##Descriptor::InitializePlatformSpecific(      \
+      CallInterfaceDescriptorData* data) {                          \
+    data->InitializePlatformSpecific(0, nullptr, nullptr);          \
+  }
+SIMD128_TYPES(SIMD128_ALLOC_DESC)
+#undef SIMD128_ALLOC_DESC
 
 void AllocateInNewSpaceDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
@@ -336,6 +314,12 @@
   data->InitializePlatformSpecific(arraysize(registers), registers);
 }
 
+void FastArrayPushDescriptor::InitializePlatformSpecific(
+    CallInterfaceDescriptorData* data) {
+  // stack param count needs (arg count)
+  Register registers[] = {x0};
+  data->InitializePlatformSpecific(arraysize(registers), registers);
+}
 
 void CompareDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
@@ -346,22 +330,6 @@
 }
 
 
-void CompareNilDescriptor::InitializePlatformSpecific(
-    CallInterfaceDescriptorData* data) {
-  // x0: value to compare
-  Register registers[] = {x0};
-  data->InitializePlatformSpecific(arraysize(registers), registers);
-}
-
-
-void ToBooleanDescriptor::InitializePlatformSpecific(
-    CallInterfaceDescriptorData* data) {
-  // x0: value
-  Register registers[] = {x0};
-  data->InitializePlatformSpecific(arraysize(registers), registers);
-}
-
-
 void BinaryOpDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
   // x1: left operand
@@ -444,25 +412,7 @@
                                    &default_descriptor);
 }
 
-
-void ApiFunctionDescriptor::InitializePlatformSpecific(
-    CallInterfaceDescriptorData* data) {
-  static PlatformInterfaceDescriptor default_descriptor =
-      PlatformInterfaceDescriptor(CAN_INLINE_TARGET_ADDRESS);
-
-  Register registers[] = {
-      x0,  // callee
-      x4,  // call_data
-      x2,  // holder
-      x1,  // api_function_address
-      x3,  // actual number of arguments
-  };
-  data->InitializePlatformSpecific(arraysize(registers), registers,
-                                   &default_descriptor);
-}
-
-
-void ApiAccessorDescriptor::InitializePlatformSpecific(
+void ApiCallbackDescriptorBase::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
   static PlatformInterfaceDescriptor default_descriptor =
       PlatformInterfaceDescriptor(CAN_INLINE_TARGET_ADDRESS);