[interpreter] Make setting of function data more resilient.

src/bootstrapper.cc

 // Copyright 2014 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 "src/bootstrapper.h"
 
 #include "src/accessors.h"
 #include "src/api-natives.h"
 #include "src/code-stubs.h"
 #include "src/extensions/externalize-string-extension.h"
@@ skipping 1162 matching lines @@
     strict_function_map_writable_prototype_->SetConstructor(*function_fun);
     native_context()->strong_function_map()->SetConstructor(*function_fun);
   }
 
   {  // --- A r r a y ---
     Handle<JSFunction> array_function =
         InstallFunction(global, "Array", JS_ARRAY_TYPE, JSArray::kSize,
                         isolate->initial_object_prototype(),
                         Builtins::kArrayCode);
     array_function->shared()->DontAdaptArguments();
-    array_function->shared()->set_function_data(Smi::FromInt(kArrayCode));
+    array_function->shared()->set_builtin_function_id(kArrayCode);
 
     // This seems a bit hackish, but we need to make sure Array.length
     // is 1.
     array_function->shared()->set_length(1);
 
     Handle<Map> initial_map(array_function->initial_map());
 
     // This assert protects an optimization in
     // HGraphBuilder::JSArrayBuilder::EmitMapCode()
     DCHECK(initial_map->elements_kind() == GetInitialFastElementsKind());
@@ skipping 1881 matching lines @@
 }
 
 
 static void InstallBuiltinFunctionId(Handle<JSObject> holder,
                                      const char* function_name,
                                      BuiltinFunctionId id) {
   Isolate* isolate = holder->GetIsolate();
   Handle<Object> function_object =
       Object::GetProperty(isolate, holder, function_name).ToHandleChecked();
   Handle<JSFunction> function = Handle<JSFunction>::cast(function_object);
-  function->shared()->set_function_data(Smi::FromInt(id));
+  function->shared()->set_builtin_function_id(id);
 }
 
 
 #define INSTALL_BUILTIN_ID(holder_expr, fun_name, name) \
   { #holder_expr, #fun_name, k##name }                  \
   ,
 
 
 void Genesis::InstallBuiltinFunctionIds() {
   HandleScope scope(isolate());
@@ skipping 582 matching lines @@
 }
 
 
 // Called when the top-level V8 mutex is destroyed.
 void Bootstrapper::FreeThreadResources() {
   DCHECK(!IsActive());
 }
 
 }  // namespace internal
 }  // namespace v8