Reland Migrate Object.prototype.valueOf to CSA

test/cctest/test-serialize.cc

 // Copyright 2007-2010 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 850 matching lines @@
     v8::HandleScope h_scope(isolate);
     v8::Local<v8::Context> context = v8::Context::New(isolate);
     delete[] warm.data;
     v8::Context::Scope c_scope(context);
     // Running the warmup script has effect on whether functions are
     // pre-compiled, but does not pollute the context.
     CHECK(IsCompiled("f"));
     CHECK(IsCompiled("Math.abs"));
     CHECK(!IsCompiled("g"));
     CHECK(!IsCompiled("String.raw"));
-    CHECK(!IsCompiled("Object.valueOf"));
+    CHECK(!IsCompiled("Array.prototype.sort"));
     CHECK_EQ(5, CompileRun("a")->Int32Value(context).FromJust());
   }
   isolate->Dispose();
 }
 
 TEST(CustomSnapshotDataBlobImmortalImmovableRoots) {
   DisableAlwaysOpt();
   // Flood the startup snapshot with shared function infos. If they are
   // serialized before the immortal immovable root, the root will no longer end
   // up on the first page.
@@ skipping 1577 matching lines @@
   }
   delete[] blob.data;
 }
 
 TEST(SerializationMemoryStats) {
   FLAG_profile_deserialization = true;
   FLAG_always_opt = false;
   v8::StartupData blob = v8::V8::CreateSnapshotDataBlob();
   delete[] blob.data;
 }