Revert "Correctly report callstack when current function is FunctionCall builtin"

test/cctest/test-cpu-profiler.cc

 // Copyright 2010 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 1005 matching lines @@
   names[1] = v8::String::New(ProfileGenerator::kProgramEntryName);
   names[2] = v8::String::New("start");
   // Don't allow |foo| node to be at the top level.
   CheckChildrenNames(root, names);
 
   const v8::CpuProfileNode* startNode = GetChild(root, "start");
   GetChild(startNode, "foo");
 
   cpu_profiler->DeleteAllCpuProfiles();
 }
-
-
-static const char* call_function_test_source = "function bar(iterations) {\n"
-"}\n"
-"function start(duration) {\n"
-"  var start = Date.now();\n"
-"  while (Date.now() - start < duration) {\n"
-"    try {\n"
-"      bar.call(this, 10 * 1000);\n"
-"    } catch(e) {}\n"
-"  }\n"
-"}";
-
-
-// Test that if we sampled thread when it was inside FunctionCall buitin then
-// its caller frame will be '(unresolved function)' as we have no reliable way
-// to resolve it.
-//
-// [Top down]:
-//    96     0   (root) [-1] #1
-//     1     1    (garbage collector) [-1] #4
-//     5     0    (unresolved function) [-1] #5
-//     5     5      call [-1] #6
-//    71    70    start [-1] #3
-//     1     1      bar [-1] #7
-//    19    19    (program) [-1] #2
-TEST(FunctionCallSample) {
-  LocalContext env;
-  v8::HandleScope scope(env->GetIsolate());
-
-  v8::Script::Compile(v8::String::New(call_function_test_source))->Run();
-  v8::Local<v8::Function> function = v8::Local<v8::Function>::Cast(
-      env->Global()->Get(v8::String::New("start")));
-
-  v8::CpuProfiler* cpu_profiler = env->GetIsolate()->GetCpuProfiler();
-  v8::Local<v8::String> profile_name = v8::String::New("my_profile");
-
-  cpu_profiler->StartCpuProfiling(profile_name);
-  int32_t duration_ms = 100;
-  v8::Handle<v8::Value> args[] = { v8::Integer::New(duration_ms) };
-  function->Call(env->Global(), ARRAY_SIZE(args), args);
-  const v8::CpuProfile* profile = cpu_profiler->StopCpuProfiling(profile_name);
-
-  CHECK_NE(NULL, profile);
-  // Dump collected profile to have a better diagnostic in case of failure.
-  reinterpret_cast<i::CpuProfile*>(
-      const_cast<v8::CpuProfile*>(profile))->Print();
-
-  const v8::CpuProfileNode* root = profile->GetTopDownRoot();
-  {
-    ScopedVector<v8::Handle<v8::String> > names(4);
-    names[0] = v8::String::New(ProfileGenerator::kGarbageCollectorEntryName);
-    names[1] = v8::String::New(ProfileGenerator::kProgramEntryName);
-    names[2] = v8::String::New("start");
-    names[3] = v8::String::New(i::ProfileGenerator::kUnresolvedFunctionName);
-    // Don't allow |bar| and |call| nodes to be at the top level.
-    CheckChildrenNames(root, names);
-  }
-
-  const v8::CpuProfileNode* startNode = GetChild(root, "start");
-  {
-    ScopedVector<v8::Handle<v8::String> > names(1);
-    names[0] = v8::String::New("bar");
-    CheckChildrenNames(startNode, names);
-  }
-
-  const v8::CpuProfileNode* unresolvedNode =
-      FindChild(root, i::ProfileGenerator::kUnresolvedFunctionName);
-  if (unresolvedNode) {
-    ScopedVector<v8::Handle<v8::String> > names(1);
-    names[0] = v8::String::New("call");
-    CheckChildrenNames(unresolvedNode, names);
-  }
-
-  cpu_profiler->DeleteAllCpuProfiles();
-}
-