Add the forceCompile param to _getSourceReport.

runtime/vm/source_report.cc

 // Copyright (c) 2015, 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/source_report.h"
 
 #include "vm/compiler.h"
 #include "vm/object.h"
 #include "vm/object_store.h"
 
@@ skipping 226 matching lines @@
       JSONObject range(jsarr);
       range.AddProperty("scriptIndex", GetScriptIndex(script));
       range.AddProperty("startPos", begin_pos);
       range.AddProperty("endPos", end_pos);
       range.AddProperty("compiled", false);
       return;
     }
   }
   ASSERT(!code.IsNull());
 
+  // We skip compiled async functions.  Once an async function has
+  // been compiled, there is another function with the same range which
+  // actually contains the user code.
+  if (func.IsAsyncFunction() ||
+      func.IsAsyncGenerator() ||
+      func.IsSyncGenerator()) {
+    return;
+  }
+
   JSONObject range(jsarr);
   range.AddProperty("scriptIndex", GetScriptIndex(script));
   range.AddProperty("startPos", begin_pos);
   range.AddProperty("endPos", end_pos);
   range.AddProperty("compiled", true);
 
   if (IsReportRequested(kCallSites)) {
     PrintCallSitesData(&range, func, code);
   }
   if (IsReportRequested(kCoverage)) {
@@ skipping 58 matching lines @@
     VisitClosures(&ranges);
   }
 
   // Print the script table.
   JSONArray scripts(&report, "scripts");
   PrintScriptTable(&scripts);
 }
 
 
 }  // namespace dart