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

src/compiler/pipeline.cc

Index: src/compiler/pipeline.cc
diff --git a/src/compiler/pipeline.cc b/src/compiler/pipeline.cc
index 3ce3c851586d33cc56bb06d3ec0c297c684f5ca2..4d43a249e79f92b37af361ffba2facd5698791fb 100644
--- a/src/compiler/pipeline.cc
+++ b/src/compiler/pipeline.cc
@@ -534,7 +534,9 @@ PipelineStatistics* CreatePipelineStatistics(CompilationInfo* info,
     int pos = info->shared_info()->start_position();
     json_of << "{\"function\":\"" << function_name.get()
             << "\", \"sourcePosition\":" << pos << ", \"source\":\"";
-    if (!script->IsUndefined() && !script->source()->IsUndefined()) {
+    Isolate* isolate = script->GetIsolate();

[Michael Starzinger, 2016/06/06 08:55:08]

nit: info->isolate()

[Camillo Bruni, 2016/06/06 12:27:49]

changed.

+    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;