Revert of Refactor SharedFunctionInfo::IsBuiltin.

src/runtime-profiler.cc

 // Copyright 2012 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/runtime-profiler.h"
 
 #include "src/assembler.h"
 #include "src/base/platform/platform.h"
 #include "src/bootstrapper.h"
 #include "src/code-stubs.h"
@@ skipping 146 matching lines @@
   DCHECK_NE(reason, OptimizationReason::kDoNotOptimize);
   TraceRecompile(function, OptimizationReasonToString(reason), "baseline");
   DCHECK(function->shared()->IsInterpreted());
   function->MarkForBaseline();
 }
 
 void RuntimeProfiler::AttemptOnStackReplacement(JavaScriptFrame* frame,
                                                 int loop_nesting_levels) {
   JSFunction* function = frame->function();
   SharedFunctionInfo* shared = function->shared();
-  if (!FLAG_use_osr || !function->shared()->IsUserJavaScript()) {
+  if (!FLAG_use_osr || function->shared()->IsBuiltin()) {
     return;
   }
 
   // If the code is not optimizable, don't try OSR.
   if (shared->optimization_disabled()) return;
 
   // We are not prepared to do OSR for a function that already has an
   // allocated arguments object.  The optimized code would bypass it for
   // arguments accesses, which is unsound.  Don't try OSR.
   if (shared->uses_arguments()) return;
@@ skipping 294 matching lines @@
       if (ticks < Smi::kMaxValue) {
         shared_function_info->set_profiler_ticks(ticks + 1);
       }
     }
   }
   any_ic_changed_ = false;
 }
 
 }  // namespace internal
 }  // namespace v8