Add the forceCompile param to _getSourceReport.

runtime/vm/source_report.cc

Index: runtime/vm/source_report.cc
diff --git a/runtime/vm/source_report.cc b/runtime/vm/source_report.cc
index 4da21b6e8a350f7cbe4fc5e918b271d8af71d95c..847ead7bbeb1a521b08486c10910d4cf78bedfd7 100644
--- a/runtime/vm/source_report.cc
+++ b/runtime/vm/source_report.cc
@@ -244,6 +244,13 @@ void SourceReport::VisitFunction(JSONArray* jsarr, const Function& func) {
   }
   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()) {

[rmacnak, 2016/01/07 18:08:43]

Similar story with sync* and async* functions.

IsAsyncFunction() || IsAsyncGeneratory() || IsSyncGenerator()

[turnidge, 2016/01/07 19:25:17]

Done.

+    return;
+  }
+
   JSONObject range(jsarr);
   range.AddProperty("scriptIndex", GetScriptIndex(script));
   range.AddProperty("startPos", begin_pos);