Use a different map to distinguish eval contexts

src/x64/interface-descriptors-x64.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #if V8_TARGET_ARCH_X64
 
 #include "src/interface-descriptors.h"
 
 namespace v8 {
 namespace internal {
 
 const Register CallInterfaceDescriptor::ContextRegister() { return rsi; }
 
 void CallInterfaceDescriptor::DefaultInitializePlatformSpecific(
     CallInterfaceDescriptorData* data, int register_parameter_count) {
   const Register default_stub_registers[] = {rax, rbx, rcx, rdx, rdi};
   CHECK_LE(static_cast<size_t>(register_parameter_count),
            arraysize(default_stub_registers));
   data->InitializePlatformSpecific(register_parameter_count,
                                    default_stub_registers);
 }
 
 const Register FastNewFunctionContextDescriptor::FunctionRegister() {
   return rdi;
 }
 const Register FastNewFunctionContextDescriptor::SlotsRegister() { return rax; }
 
+const Register FastNewEvalContextDescriptor::FunctionRegister() { return rdi; }
+const Register FastNewEvalContextDescriptor::SlotsRegister() { return rax; }
+
 const Register LoadDescriptor::ReceiverRegister() { return rdx; }
 const Register LoadDescriptor::NameRegister() { return rcx; }
 const Register LoadDescriptor::SlotRegister() { return rax; }
 
 
 const Register LoadWithVectorDescriptor::VectorRegister() { return rbx; }
 
 
 const Register StoreDescriptor::ReceiverRegister() { return rdx; }
 const Register StoreDescriptor::NameRegister() { return rcx; }
@@ skipping 372 matching lines @@
       rbx,  // the JSGeneratorObject to resume
       rdx   // the resume mode (tagged)
   };
   data->InitializePlatformSpecific(arraysize(registers), registers);
 }
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_X64