Test functions do not have scripts associated with them. Prevent their optimization by marking any …

runtime/vm/object.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/object.h"
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "vm/assembler.h"
 #include "vm/bigint_operations.h"
@@ skipping 3855 matching lines @@
   raw_ptr()->num_fixed_parameters_ = n;
 }
 
 
 void Function::set_num_optional_parameters(intptr_t n) const {
   ASSERT(n >= 0);
   raw_ptr()->num_optional_parameters_ = n;
 }
 
 
+bool Function::is_optimizable() const {
+  return OptimizableBit::decode(raw_ptr()->kind_tag_) &&
+         (script() != Script::null());
+}
+
+
 void Function::set_is_optimizable(bool value) const {
   uword bits = raw_ptr()->kind_tag_;
   raw_ptr()->kind_tag_ = OptimizableBit::update(value, bits);
 }
 
 
 void Function::set_has_finally(bool value) const {
   uword bits = raw_ptr()->kind_tag_;
   raw_ptr()->kind_tag_ = HasFinallyBit::update(value, bits);
 }
@@ skipping 7445 matching lines @@
   }
   return result.raw();
 }
 
 
 const char* WeakProperty::ToCString() const {
   return "WeakProperty";
 }
 
 }  // namespace dart