Find right scope associated with prologue

src/full-codegen/x87/full-codegen-x87.cc

Index: src/full-codegen/x87/full-codegen-x87.cc
diff --git a/src/full-codegen/x87/full-codegen-x87.cc b/src/full-codegen/x87/full-codegen-x87.cc
index f804bc46f267193d0949c29c8d5c5a77964d6c23..1e93fe1fa86a029e662a5f6e5fe76d20c7fde88b 100644
--- a/src/full-codegen/x87/full-codegen-x87.cc
+++ b/src/full-codegen/x87/full-codegen-x87.cc
@@ -5180,21 +5180,21 @@ void FullCodeGenerator::LoadContextField(Register dst, int 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(Immediate(Smi::FromInt(0)));
-  } else if (declaration_scope->is_eval_scope()) {
+  } else if (closure_scope->is_eval_scope()) {
     // Contexts nested inside eval code have the same closure as the context
     // calling eval, not the anonymous closure containing the eval code.
     // Fetch it from the context.
     __ push(ContextOperand(esi, Context::CLOSURE_INDEX));
   } else {
-    DCHECK(declaration_scope->is_function_scope());
+    DCHECK(closure_scope->is_function_scope());
     __ push(Operand(ebp, JavaScriptFrameConstants::kFunctionOffset));
   }
 }