[Isolates] Convert more static data either to read-only or to per-isolate.

src/codegen.cc

 // Copyright 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 361 matching lines @@
 CodeGenerator::InlineFunctionGenerator
   CodeGenerator::FindInlineFunctionGenerator(Runtime::FunctionId id) {
     return kInlineFunctionGenerators[
       static_cast<int>(id) - static_cast<int>(Runtime::kFirstInlineFunction)];
 }
 
 
 bool CodeGenerator::CheckForInlineRuntimeCall(CallRuntime* node) {
   ZoneList<Expression*>* args = node->arguments();
   Handle<String> name = node->name();
-  Runtime::Function* function = node->function();
+  const Runtime::Function* function = node->function();
   if (function != NULL && function->intrinsic_type == Runtime::INLINE) {
     InlineFunctionGenerator generator =
         FindInlineFunctionGenerator(function->function_id);
     if (generator != NULL) {
       ((*this).*(generator))(args);
       return true;
     }
   }
   return false;
 }
@@ skipping 111 matching lines @@
   }
 }
 
 
 void ApiGetterEntryStub::SetCustomCache(Code* value) {
   info()->set_load_stub_cache(value);
 }
 
 
 } }  // namespace v8::internal