Minor performance improvements to the LookupIterator

test/cctest/test-decls.cc

 // Copyright 2007-2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 112 matching lines @@
   Local<Value> data = External::New(CcTest::isolate(), this);
   GetHolder(function)->SetHandler(v8::NamedPropertyHandlerConfiguration(
       &HandleGet, &HandleSet, &HandleQuery, 0, 0, data));
   Local<Context> context = Context::New(isolate,
                                         0,
                                         function->InstanceTemplate(),
                                         Local<Value>());
   context_.Reset(isolate, context);
   context->Enter();
   is_initialized_ = true;
+  // Reset counts. Bootstrapping might have called into the interceptor.
+  get_count_ = 0;
+  set_count_ = 0;
+  query_count_ = 0;
   PostInitializeContext(context);
 }
 
 
 void DeclarationContext::Check(const char* source,
                                int get, int set, int query,
                                Expectations expectations,
                                v8::Handle<Value> value) {
   InitializeIfNeeded();
   // A retry after a GC may pollute the counts, so perform gc now
@@ skipping 1098 matching lines @@
                   Undefined(CcTest::isolate()));
     for (int i = 0; i < 4; i++) {
       context.Check("f()", EXPECT_EXCEPTION);
     }
     context.Check("%OptimizeFunctionOnNextCall(f);", EXPECT_RESULT,
                   Undefined(CcTest::isolate()));
 
     context.Check("'use strict'; f(); let x = 2; x", EXPECT_EXCEPTION);
   }
 }