[runtime] Turn ArgumentAccessStub into FastNewSloppyArgumentsStub.

src/mips64/interface-descriptors-mips64.cc

Index: src/mips64/interface-descriptors-mips64.cc
diff --git a/src/mips64/interface-descriptors-mips64.cc b/src/mips64/interface-descriptors-mips64.cc
index d4e0ab9c2f8037decca31018358716996ddf37e3..7a10c5178c6320c1f85741201de3740a0206482e 100644
--- a/src/mips64/interface-descriptors-mips64.cc
+++ b/src/mips64/interface-descriptors-mips64.cc
@@ -54,11 +54,6 @@ const Register StringCompareDescriptor::LeftRegister() { return a1; }
 const Register StringCompareDescriptor::RightRegister() { return a0; }
 
 
-const Register ArgumentsAccessNewDescriptor::function() { return a1; }
-const Register ArgumentsAccessNewDescriptor::parameter_count() { return a2; }
-const Register ArgumentsAccessNewDescriptor::parameter_pointer() { return a3; }
-
-
 const Register ApiGetterDescriptor::function_address() { return a2; }
 
 
@@ -95,6 +90,13 @@ void FastNewRestParameterDescriptor::InitializePlatformSpecific(
 }
 
 
+void FastNewSloppyArgumentsDescriptor::InitializePlatformSpecific(
+    CallInterfaceDescriptorData* data) {
+  Register registers[] = {a1};
+  data->InitializePlatformSpecific(arraysize(registers), registers, NULL);
+}
+
+
 void FastNewStrictArgumentsDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
   Register registers[] = {a1};