Run Crankshaft on a separate thread.

src/objects.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 7296 matching lines @@
 
 void JSFunction::MarkForLazyRecompilation() {
   ASSERT(is_compiled() && !IsOptimized());
   ASSERT(shared()->allows_lazy_compilation() ||
          code()->optimizable());
   Builtins* builtins = GetIsolate()->builtins();
   ReplaceCode(builtins->builtin(Builtins::kLazyRecompile));
 }
 
 
+void JSFunction::RecompileInParallel() {
+  ASSERT(FLAG_optimize_in_parallel);
+  i::Handle<JSFunction> handle(reinterpret_cast<JSFunction **>(
+      GetIsolate()->global_handles()->Create(this).location()));
+  GetIsolate()->queue_for_optimization(handle);
+}
+
+
 bool SharedFunctionInfo::EnsureCompiled(Handle<SharedFunctionInfo> shared,
                                         ClearExceptionFlag flag) {
   return shared->is_compiled() || CompileLazy(shared, flag);
 }
 
 
 static bool CompileLazyHelper(CompilationInfo* info,
                               ClearExceptionFlag flag) {
   // Compile the source information to a code object.
   ASSERT(info->IsOptimizing() || !info->shared_info()->is_compiled());
@@ skipping 5604 matching lines @@
   set_year(Smi::FromInt(year), SKIP_WRITE_BARRIER);
   set_month(Smi::FromInt(month), SKIP_WRITE_BARRIER);
   set_day(Smi::FromInt(day), SKIP_WRITE_BARRIER);
   set_weekday(Smi::FromInt(weekday), SKIP_WRITE_BARRIER);
   set_hour(Smi::FromInt(hour), SKIP_WRITE_BARRIER);
   set_min(Smi::FromInt(min), SKIP_WRITE_BARRIER);
   set_sec(Smi::FromInt(sec), SKIP_WRITE_BARRIER);
 }
 
 } }  // namespace v8::internal