[kernel] Fix getter, run service tests in debug mode

runtime/vm/kernel_reader.cc

 // Copyright (c) 2016, 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/kernel_reader.h"
 
 #include <string.h>
 
 #include "vm/dart_api_impl.h"
 #include "vm/longjump.h"
@@ skipping 544 matching lines @@
     array_object ^= AsSortedDuplicateFreeArray(
         source_uri_index, &program_->yield_token_positions);
     script.set_yield_positions(array_object);
   }
   return script;
 }
 
 void KernelReader::GenerateFieldAccessors(const dart::Class& klass,
                                           const dart::Field& field,
                                           Field* kernel_field) {
+  if (kernel_field->IsStatic() && kernel_field->initializer() == NULL) {
+    field.SetStaticValue(Instance::Handle(Z), true);

[Kevin Millikin (Google), 2017/03/22 14:11:26]

Comment:

// Static fields without an initializer are implicitly initialized to null.  We
do not need a getter.

+    return;
+  }
   if (kernel_field->initializer() != NULL) {
     SimpleExpressionConverter converter(H.thread());
     const bool has_simple_initializer =
         converter.IsSimple(kernel_field->initializer());
     if (kernel_field->IsStatic()) {
       // Static fields with initializers either have the static value set to the
       // initializer value if it is simple enough or else set to an
       // uninitialized sentinel.
       if (has_simple_initializer) {
         // We do not need a getter.
@@ skipping 255 matching lines @@
   initializer_fun.set_is_debuggable(false);
   initializer_fun.set_is_reflectable(false);
   initializer_fun.set_is_inlinable(false);
   return new (zone) ParsedFunction(thread, initializer_fun);
 }
 
 
 }  // namespace kernel
 }  // namespace dart
 #endif  // !defined(DART_PRECOMPILED_RUNTIME)