More efficient identification of dynamic and void types.

runtime/vm/debugger.cc

Index: runtime/vm/debugger.cc
diff --git a/runtime/vm/debugger.cc b/runtime/vm/debugger.cc
index 3cb92b266c8c63ac00f713a5fbea6abb456e9610..8859ffca6e7f0e2fb644d1a10c8c5af2edbcc2c9 100644
--- a/runtime/vm/debugger.cc
+++ b/runtime/vm/debugger.cc
@@ -766,8 +766,8 @@ ActivationFrame* DebuggerStackTrace::GetHandlerFrame(
         ASSERT(!type.IsNull());
         // Uninstantiated types are not added to ExceptionHandlers data.
         ASSERT(type.IsInstantiated());
-        if (type.IsDynamicType()) return frame;
         if (type.IsMalformed()) continue;
+        if (type.IsDynamicType()) return frame;
         if (exc_obj.IsInstanceOf(type, no_instantiator, NULL)) {
           return frame;
         }