Introduce IsUndefined(Isolate*) and IsTheHole(Isolate*)

src/compiler/pipeline.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/compiler/pipeline.h"
 
 #include <fstream>  // NOLINT(readability/streams)
 #include <sstream>
 
 #include "src/base/adapters.h"
@@ skipping 516 matching lines @@
     pipeline_statistics->BeginPhaseKind("initializing");
   }
 
   if (FLAG_trace_turbo) {
     TurboJsonFile json_of(info, std::ios_base::trunc);
     Handle<Script> script = info->script();
     base::SmartArrayPointer<char> function_name = info->GetDebugName();
     int pos = info->shared_info()->start_position();
     json_of << "{\"function\":\"" << function_name.get()
             << "\", \"sourcePosition\":" << pos << ", \"source\":\"";
-    if (!script->IsUndefined() && !script->source()->IsUndefined()) {
+    Isolate* isolate = info->isolate();
+    if (!script->IsUndefined(isolate) &&
+        !script->source()->IsUndefined(isolate)) {
       DisallowHeapAllocation no_allocation;
       int start = info->shared_info()->start_position();
       int len = info->shared_info()->end_position() - start;
       String::SubStringRange source(String::cast(script->source()), start, len);
       for (const auto& c : source) {
         json_of << AsEscapedUC16ForJSON(c);
       }
     }
     json_of << "\",\n\"phases\":[";
   }
@@ skipping 1261 matching lines @@
   data->DeleteRegisterAllocationZone();
 }
 
 CompilationInfo* PipelineImpl::info() const { return data_->info(); }
 
 Isolate* PipelineImpl::isolate() const { return info()->isolate(); }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8