X87: Remove strong mode support from rest argument creation.

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 43c87a3949060ac376fc2c207534899a70405275..5bd84fc2988883665e3042d66cb1fed06a208ec1 100644
--- a/src/x87/interface-descriptors-x87.cc
+++ b/src/x87/interface-descriptors-x87.cc
@@ -67,10 +67,10 @@ 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; }