Track async causal stack traces

runtime/vm/method_recognizer.h

 // 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.
 
 #ifndef RUNTIME_VM_METHOD_RECOGNIZER_H_
 #define RUNTIME_VM_METHOD_RECOGNIZER_H_
 
 #include "vm/allocation.h"
 
 namespace dart {
@@ skipping 328 matching lines @@
   GRAPH_TYPED_DATA_INTRINSICS_LIST(V)                                          \
   GRAPH_MATH_LIB_INTRINSIC_LIST(V)                                             \
 
 #define DEVELOPER_LIB_INTRINSIC_LIST(V)                                        \
   V(_UserTag, makeCurrent, UserTag_makeCurrent, Dynamic, 0x0b3066fd)           \
   V(::, _getDefaultTag, UserTag_defaultTag, Dynamic, 0x69f3f1ad)               \
   V(::, _getCurrentTag, Profiler_getCurrentTag, Dynamic, 0x05fa99d2)           \
   V(::, _isDartStreamEnabled, Timeline_isDartStreamEnabled, Dynamic,           \
     0x72f13f7a)                                                                \
 
+#define ASYNC_LIB_INTRINSIC_LIST(V)                                            \
+  V(::, _clearAsyncThreadStackTrace, ClearAsyncThreadStackTrace,               \
+    Dynamic, 0x2d287286)                                                       \
+  V(::, _setAsyncThreadStackTrace, SetAsyncThreadStackTrace,                   \
+    Dynamic, 0x1d12fcc8)
+
 #define ALL_INTRINSICS_NO_INTEGER_LIB_LIST(V)                                  \
+  ASYNC_LIB_INTRINSIC_LIST(V)                                                  \
   CORE_LIB_INTRINSIC_LIST(V)                                                   \
   DEVELOPER_LIB_INTRINSIC_LIST(V)                                              \
   MATH_LIB_INTRINSIC_LIST(V)                                                   \
   TYPED_DATA_LIB_INTRINSIC_LIST(V)                                             \
 
 #define ALL_INTRINSICS_LIST(V)                                                 \
   ALL_INTRINSICS_NO_INTEGER_LIB_LIST(V)                                        \
   CORE_INTEGER_LIB_INTRINSIC_LIST(V)
 
 #define RECOGNIZED_LIST(V)                                                     \
@@ skipping 210 matching lines @@
 // Class that recognizes factories and returns corresponding result cid.
 class FactoryRecognizer : public AllStatic {
  public:
   // Return kDynamicCid if factory is not recognized.
   static intptr_t ResultCid(const Function& factory);
 };
 
 }  // namespace dart
 
 #endif  // RUNTIME_VM_METHOD_RECOGNIZER_H_