[destructuring] Implement parameter pattern matching.

src/scopeinfo.cc

 // Copyright 2011 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 <stdlib.h>
 
 #include "src/v8.h"
 
 #include "src/bootstrapper.h"
 #include "src/scopeinfo.h"
@@ skipping 83 matching lines @@
   scope_info->SetFlags(flags);
   scope_info->SetParameterCount(parameter_count);
   scope_info->SetStackLocalCount(stack_local_count);
   scope_info->SetContextLocalCount(context_local_count);
   scope_info->SetStrongModeFreeVariableCount(strong_mode_free_variable_count);
 
   int index = kVariablePartIndex;
   // Add parameters.
   DCHECK(index == scope_info->ParameterEntriesIndex());
   for (int i = 0; i < parameter_count; ++i) {
-    scope_info->set(index++, *scope->parameter(i)->name());
+    scope_info->set(index++, *scope->parameter_var(i)->name());
   }
 
   // Add stack locals' names. We are assuming that the stack locals'
   // slots are allocated in increasing order, so we can simply add
   // them to the ScopeInfo object.
   int first_slot_index;
   if (stack_local_count > 0) {
     first_slot_index = stack_locals[0]->index();
   } else {
     first_slot_index = 0;
@@ skipping 674 matching lines @@
     info->set_mode(i, var->mode());
     DCHECK(var->index() >= 0);
     info->set_index(i, var->index());
   }
   DCHECK(i == info->length());
   return info;
 }
 
 }  // namespace internal
 }  // namespace v8