Find right scope associated with prologue

src/full-codegen/x64/full-codegen-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.
 
 #include "src/v8.h"
 
 #if V8_TARGET_ARCH_X64
 
 #include "src/code-factory.h"
 #include "src/code-stubs.h"
@@ skipping 5188 matching lines @@
   __ movp(Operand(rbp, frame_offset), value);
 }
 
 
 void FullCodeGenerator::LoadContextField(Register dst, int context_index) {
   __ movp(dst, ContextOperand(rsi, context_index));
 }
 
 
 void FullCodeGenerator::PushFunctionArgumentForContextAllocation() {
-  Scope* declaration_scope = scope()->DeclarationScope();
-  if (declaration_scope->is_script_scope() ||
-      declaration_scope->is_module_scope()) {
+  Scope* closure_scope = scope()->ClosureScope();
+  if (closure_scope->is_script_scope() ||
+      closure_scope->is_module_scope()) {
     // Contexts nested in the native context have a canonical empty function
     // as their closure, not the anonymous closure containing the global
     // code.  Pass a smi sentinel and let the runtime look up the empty
     // function.
     __ Push(Smi::FromInt(0));
-  } else if (declaration_scope->is_eval_scope()) {
+  } else if (closure_scope->is_eval_scope()) {
     // Contexts created by a call to eval have the same closure as the
     // context calling eval, not the anonymous closure containing the eval
     // code.  Fetch it from the context.
     __ Push(ContextOperand(rsi, Context::CLOSURE_INDEX));
   } else {
-    DCHECK(declaration_scope->is_function_scope());
+    DCHECK(closure_scope->is_function_scope());
     __ Push(Operand(rbp, JavaScriptFrameConstants::kFunctionOffset));
   }
 }
 
 
 // ----------------------------------------------------------------------------
 // Non-local control flow support.
 
 
 void FullCodeGenerator::EnterFinallyBlock() {
@@ skipping 132 matching lines @@
             Assembler::target_address_at(call_target_address,
                                          unoptimized_code));
   return OSR_AFTER_STACK_CHECK;
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_X64