Track async causal stack traces

runtime/vm/method_recognizer.cc

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/method_recognizer.h"
 
 #include "vm/object.h"
 #include "vm/symbols.h"
 
 namespace dart {
@@ skipping 123 matching lines @@
 
 #if !defined(DART_PRECOMPILED_RUNTIME)
 void MethodRecognizer::InitializeState() {
   GrowableArray<Library*> libs(3);
   libs.Add(&Library::ZoneHandle(Library::CoreLibrary()));
   libs.Add(&Library::ZoneHandle(Library::CollectionLibrary()));
   libs.Add(&Library::ZoneHandle(Library::MathLibrary()));
   libs.Add(&Library::ZoneHandle(Library::TypedDataLibrary()));
   libs.Add(&Library::ZoneHandle(Library::InternalLibrary()));
   libs.Add(&Library::ZoneHandle(Library::DeveloperLibrary()));
+  libs.Add(&Library::ZoneHandle(Library::AsyncLibrary()));
   Function& func = Function::Handle();
 
 #define SET_RECOGNIZED_KIND(class_name, function_name, enum_name, type, fp)    \
   func = Library::GetFunction(libs, #class_name, #function_name);              \
   if (func.IsNull()) {                                                         \
     OS::PrintErr("Missing %s::%s\n", #class_name, #function_name);             \
     UNREACHABLE();                                                             \
   }                                                                            \
   CHECK_FINGERPRINT3(func, class_name, function_name, enum_name, fp);          \
   func.set_recognized_kind(k##enum_name);
@@ skipping 25 matching lines @@
 
 #undef SET_RECOGNIZED_KIND
 #undef SET_IS_ALWAYS_INLINE
 #undef SET_IS_POLYMORPHIC_TARGET
 #undef SET_FUNCTION_BIT
 }
 #endif  // !defined(DART_PRECOMPILED_RUNTIME)
 
 
 }  // namespace dart