Changed StackZone and ApiZone to be containers for Zone.

runtime/vm/code_descriptors_test.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 "platform/assert.h"
 #include "vm/globals.h"
 #if defined(TARGET_ARCH_IA32) || defined(TARGET_ARCH_X64)
 
 #include "vm/ast.h"
 #include "vm/assembler.h"
@@ skipping 174 matching lines @@
 static void NativeFunc(Dart_NativeArguments args) {
   Dart_EnterScope();
   Dart_Handle i = Dart_GetNativeArgument(args, 0);
   Dart_Handle k = Dart_GetNativeArgument(args, 1);
   int64_t value = -1;
   EXPECT_VALID(Dart_IntegerToInt64(i, &value));
   EXPECT_EQ(10, value);
   EXPECT_VALID(Dart_IntegerToInt64(k, &value));
   EXPECT_EQ(20, value);
   Isolate::Current()->heap()->CollectAllGarbage();
+  Dart_ExitScope();
 }
 
 
 static Dart_NativeFunction native_resolver(Dart_Handle name,
                                            int argument_count) {
   return reinterpret_cast<Dart_NativeFunction>(&NativeFunc);
 }
 
 
 TEST_CASE(StackmapGC) {
@@ skipping 69 matching lines @@
   code.set_stackmaps(stack_maps);
 
   // Now invoke 'A.moo' and it will trigger a GC when the native function
   // is called, this should then cause the stack map of function 'A.foo'
   // to be traversed and the appropriate objects visited.
   GrowableArray<const Object*> arguments;
   const Array& kNoArgumentNames = Array::Handle();
   Object& result = Object::Handle();
   result = DartEntry::InvokeStatic(function_foo, arguments, kNoArgumentNames);
   EXPECT(!result.IsError());
+  (void) kNoArgumentNames;

[siva, 2012/10/12 20:40:21]

we have a macro USE for silencing compiler warnings if that is what you are
trying to get rid of here.

Why was this not a problem before.

[Tom Ball, 2012/10/12 22:56:51]

It wasn't a problem, just debugging cruft that's now removed.

+  (void) result;
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_IA32 || defined(TARGET_ARCH_X64)