Fully setup the catch variable for catch scopes

src/ast/scopes.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/ast/scopes.h"
 
 #include <set>
 
 #include "src/accessors.h"
 #include "src/bootstrapper.h"
@@ skipping 165 matching lines @@
     : zone_(zone),
       outer_scope_(nullptr),
       variables_(zone),
       ordered_variables_(0, zone),
       decls_(0, zone),
       scope_type_(CATCH_SCOPE) {
   SetDefaults();
 #ifdef DEBUG
   already_resolved_ = true;
 #endif
-  Variable* variable =
-      variables_.Declare(zone, this, catch_variable_name, VAR, Variable::NORMAL,
-                         kCreatedInitialized);
+  Variable* variable = Declare(zone, this, catch_variable_name, VAR,
+                               Variable::NORMAL, kCreatedInitialized);
   AllocateHeapSlot(variable);
 }
 
 void DeclarationScope::SetDefaults() {
   is_declaration_scope_ = true;
   has_simple_parameters_ = true;
   asm_module_ = false;
   asm_function_ = false;
   force_eager_compilation_ = false;
   has_arguments_parameter_ = false;
@@ skipping 1467 matching lines @@
       function != nullptr && function->IsContextSlot();
   return num_heap_slots() - Context::MIN_CONTEXT_SLOTS - num_global_slots() -
          (is_function_var_in_context ? 1 : 0);
 }
 
 
 int Scope::ContextGlobalCount() const { return num_global_slots(); }
 
 }  // namespace internal
 }  // namespace v8