Source position tests for switch and try catch finally

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 194 matching lines @@
 // relies on. A marker indicates that a new await state needs to be
 // added to a function preamble. This type also triggers storing of the
 // current context.
 //
 // It is expected (ASSERT) that an AwaitMarker is followed by
 // a return node of kind kContinuationTarget. That is:
 //   <AwaitMarker> -> <other nodes> -> <kContinuationTarget> -> <other nodes> ->
 //   <AwaitMarker> -> ...
 class AwaitMarkerNode : public AstNode {
  public:
-  AwaitMarkerNode(LocalScope* async_scope, LocalScope* await_scope)
-    : AstNode(Scanner::kNoSourcePos),
+  AwaitMarkerNode(LocalScope* async_scope,
+                  LocalScope* await_scope,
+                  intptr_t token_pos)
+    : AstNode(token_pos),
       async_scope_(async_scope),
       await_scope_(await_scope) {
     ASSERT(async_scope != NULL);
     ASSERT(await_scope != NULL);
     await_scope->CaptureLocalVariables(async_scope);
   }
 
   void VisitChildren(AstNodeVisitor* visitor) const { }
 
   LocalScope* async_scope() const { return async_scope_; }
@@ skipping 1797 matching lines @@
   const intptr_t try_index_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(InlinedFinallyNode);
 };
 
 }  // namespace dart
 
 #undef DECLARE_COMMON_NODE_FUNCTIONS
 
 #endif  // VM_AST_H_