[runtime] Turn ArgumentAccessStub into FastNewSloppyArgumentsStub.

src/arm64/interface-descriptors-arm64.cc

Index: src/arm64/interface-descriptors-arm64.cc
diff --git a/src/arm64/interface-descriptors-arm64.cc b/src/arm64/interface-descriptors-arm64.cc
index f88fa75da07230f0a62d0410f8a2072bf1f8d342..c57998a8b49b1226419ccfe1a16fabe7d4b5b93c 100644
--- a/src/arm64/interface-descriptors-arm64.cc
+++ b/src/arm64/interface-descriptors-arm64.cc
@@ -56,11 +56,6 @@ const Register StringCompareDescriptor::LeftRegister() { return x1; }
 const Register StringCompareDescriptor::RightRegister() { return x0; }
 
 
-const Register ArgumentsAccessNewDescriptor::function() { return x1; }
-const Register ArgumentsAccessNewDescriptor::parameter_count() { return x2; }
-const Register ArgumentsAccessNewDescriptor::parameter_pointer() { return x3; }
-
-
 const Register ApiGetterDescriptor::function_address() { return x2; }
 
 
@@ -98,6 +93,14 @@ void FastNewRestParameterDescriptor::InitializePlatformSpecific(
 }
 
 
+void FastNewSloppyArgumentsDescriptor::InitializePlatformSpecific(
+    CallInterfaceDescriptorData* data) {
+  // x1: function
+  Register registers[] = {x1};
+  data->InitializePlatformSpecific(arraysize(registers), registers);
+}
+
+
 void FastNewStrictArgumentsDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
   // x1: function