X87: Use register arguments for RestParamAccessStub.

src/x87/interface-descriptors-x87.cc

Index: src/x87/interface-descriptors-x87.cc
diff --git a/src/x87/interface-descriptors-x87.cc b/src/x87/interface-descriptors-x87.cc
index 905bb688d051c4f2fd7d64b046e54e2ed940fad5..43c87a3949060ac376fc2c207534899a70405275 100644
--- a/src/x87/interface-descriptors-x87.cc
+++ b/src/x87/interface-descriptors-x87.cc
@@ -67,6 +67,11 @@ const Register ArgumentsAccessNewDescriptor::function() { return edi; }
 const Register ArgumentsAccessNewDescriptor::parameter_count() { return ecx; }
 const Register ArgumentsAccessNewDescriptor::parameter_pointer() { return edx; }
 
+const Register RestParamAccessDescriptor::parameter_count() { return ecx; }
+const Register RestParamAccessDescriptor::parameter_pointer() { return edx; }
+const Register RestParamAccessDescriptor::rest_parameter_index() { return ebx; }
+const Register RestParamAccessDescriptor::language_mode() { return edi; }
+
 
 const Register ApiGetterDescriptor::function_address() { return edx; }