Don't add code dependencies eagerly for HCheckMaps.

src/code-stubs-hydrogen.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 "v8.h"
 
 #include "code-stubs.h"
 #include "hydrogen.h"
 #include "lithium.h"
 
@@ skipping 1024 matching lines @@
       isolate()->factory()->NewPropertyCell(placeholer_value);
 
   HParameter* value = GetParameter(2);
 
   if (stub->check_global()) {
     // Check that the map of the global has not changed: use a placeholder map
     // that will be replaced later with the global object's map.
     Handle<Map> placeholder_map = isolate()->factory()->meta_map();
     HValue* global = Add<HConstant>(
         StoreGlobalStub::global_placeholder(isolate()));
-    Add<HCheckMaps>(global, placeholder_map, top_info());
+    Add<HCheckMaps>(global, placeholder_map);
   }
 
   HValue* cell = Add<HConstant>(placeholder_cell);
   HObjectAccess access(HObjectAccess::ForCellPayload(isolate()));
   HValue* cell_contents = Add<HLoadNamedField>(
       cell, static_cast<HValue*>(NULL), access);
 
   if (stub->is_constant()) {
     IfBuilder builder(this);
     builder.If<HCompareObjectEqAndBranch>(cell_contents, value);
@@ skipping 348 matching lines @@
   return BuildRegExpConstructResult(length, index, input);
 }
 
 
 Handle<Code> RegExpConstructResultStub::GenerateCode() {
   return DoGenerateCode(this);
 }
 
 
 } }  // namespace v8::internal