Let debugger find async function literals

runtime/vm/debugger.cc

 // 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.
 
 #include "vm/debugger.h"
 
 #include "include/dart_api.h"
 
 #include "vm/code_generator.h"
 #include "vm/code_patcher.h"
@@ skipping 1625 matching lines @@
         continue;
       }
       // Parse class definition if not done yet.
       cls.EnsureIsFinalized(isolate_);
       functions = cls.functions();
       if (!functions.IsNull()) {
         const intptr_t num_functions = functions.Length();
         for (intptr_t pos = 0; pos < num_functions; pos++) {
           function ^= functions.At(pos);
           ASSERT(!function.IsNull());
-          if (function.is_debuggable() &&
-              FunctionContains(function, script, token_pos)) {
+          if (FunctionContains(function, script, token_pos)) {
             SelectBestFit(&best_fit, &function);
           }
         }
       }
 
       closures = cls.closures();
       if (!closures.IsNull()) {
         const intptr_t num_closures = closures.Length();
         for (intptr_t pos = 0; pos < num_closures; pos++) {
           function ^= closures.At(pos);
           ASSERT(!function.IsNull());
-          if (function.is_debuggable() &&
-              FunctionContains(function, script, token_pos)) {
+          if (FunctionContains(function, script, token_pos)) {
             SelectBestFit(&best_fit, &function);
           }
         }
       }
     }
   }
   return best_fit.raw();
 }
 
 
@@ skipping 967 matching lines @@
 }
 
 
 void Debugger::RegisterCodeBreakpoint(CodeBreakpoint* bpt) {
   ASSERT(bpt->next() == NULL);
   bpt->set_next(code_breakpoints_);
   code_breakpoints_ = bpt;
 }
 
 }  // namespace dart