Fix test/build failures (win64 compile warning, isolate test parallel compilation failure, gcmole i…

src/bootstrapper.cc

 // Copyright 2012 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 872 matching lines @@
       CallbacksDescriptor d(*factory->length_string(), *array_length, attribs);
       array_function->initial_map()->AppendDescriptor(&d, witness);
     }
 
     // array_function is used internally. JS code creating array object should
     // search for the 'Array' property on the global object and use that one
     // as the constructor. 'Array' property on a global object can be
     // overwritten by JS code.
     native_context()->set_array_function(*array_function);
 
-    // Cache the array maps
-    MaybeObject* cache_result = CacheInitialJSArrayMaps(*native_context(),
-                                                        *initial_map);
-    if (cache_result->IsFailure()) return false;
+    if (FLAG_optimize_constructed_arrays) {
+      // Cache the array maps, needed by ArrayConstructorStub
+      MaybeObject* cache_result = CacheInitialJSArrayMaps(*native_context(),
+                                                          *initial_map);
+      if (cache_result->IsFailure()) return false;
 
-    if (FLAG_optimize_constructed_arrays) {
       ArrayConstructorStub array_constructor_stub(isolate);
-      array_function->shared()->set_construct_stub(
-          *array_constructor_stub.GetCode(isolate));
+      Handle<Code> code = array_constructor_stub.GetCode(isolate);
+      array_function->shared()->set_construct_stub(*code);
     } else {
       array_function->shared()->set_construct_stub(
           isolate->builtins()->builtin(Builtins::kCommonArrayConstructCode));
     }
   }
 
   {  // --- N u m b e r ---
     Handle<JSFunction> number_fun =
         InstallFunction(global, "Number", JS_VALUE_TYPE, JSValue::kSize,
                         isolate->initial_object_prototype(),
@@ skipping 1652 matching lines @@
   return from + sizeof(NestingCounterType);
 }
 
 
 // Called when the top-level V8 mutex is destroyed.
 void Bootstrapper::FreeThreadResources() {
   ASSERT(!IsActive());
 }
 
 } }  // namespace v8::internal