Await always waits

runtime/vm/ast.h

 // Copyright (c) 2012, 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 VM_AST_H_
 #define VM_AST_H_
 
 #include "platform/assert.h"
 #include "vm/allocation.h"
 #include "vm/growable_array.h"
@@ skipping 571 matching lines @@
 // Return nodes can be of different types:
 // * A regular return node that in the case of async functions gets replaced
 //   with appropriate completer calls. This kind is generated by dart code.
 // * A continuation return that just returns from a function. This kind is
 //   generated by AST transformers.
 class ReturnNode : public AstNode {
  public:
   enum ReturnType {
     kRegular,
     kContinuation,
+    kContinuationTarget
   };
 
   // Return from a void function returns the null object.
   explicit ReturnNode(intptr_t token_pos)
       : AstNode(token_pos),
         value_(new LiteralNode(token_pos, Instance::ZoneHandle())),
         inlined_finally_list_(),
         return_type_(kRegular) { }
   // Return from a non-void function.
   ReturnNode(intptr_t token_pos,
@@ skipping 1311 matching lines @@
   const intptr_t try_index_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(InlinedFinallyNode);
 };
 
 }  // namespace dart
 
 #undef DECLARE_COMMON_NODE_FUNCTIONS
 
 #endif  // VM_AST_H_