More efficient identification of dynamic and void types.

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 748 matching lines @@
       // Detect circles in the exception handler data.
       num_handlers_checked++;
       ASSERT(num_handlers_checked <= handlers.num_entries());
       handled_types = handlers.GetHandledTypes(try_index);
       const intptr_t num_types = handled_types.Length();
       for (intptr_t k = 0; k < num_types; k++) {
         type ^= handled_types.At(k);
         ASSERT(!type.IsNull());
         // Uninstantiated types are not added to ExceptionHandlers data.
         ASSERT(type.IsInstantiated());
+        if (type.IsMalformed()) continue;
         if (type.IsDynamicType()) return frame;
-        if (type.IsMalformed()) continue;
         if (exc_obj.IsInstanceOf(type, no_instantiator, NULL)) {
           return frame;
         }
       }
       try_index = handlers.OuterTryIndex(try_index);
     }
   }
   return NULL;
 }
 
@@ skipping 2573 matching lines @@
 
 void Debugger::RegisterCodeBreakpoint(CodeBreakpoint* bpt) {
   ASSERT(bpt->next() == NULL);
   bpt->set_next(code_breakpoints_);
   code_breakpoints_ = bpt;
 }
 
 #endif  // !PRODUCT
 
 }  // namespace dart