Add product mode:

tools/gyp/configurations_xcode.gypi

 # 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.
 
 # The purpose of this file and others in this directory is to simulate
 # the Chromium build enviroment. This file is included in all GYP
 # files that are used by the Dart project.
 
 # READ BEFORE EDITING:
 # Do not add Dart VM specific configuration to this file. Instead,
@@ skipping 37 matching lines @@
           # setting this to NO.
           'ALWAYS_SEARCH_USER_PATHS': 'NO',
 
           # Attempt to remove compiler options that Xcode adds by default.
           'GCC_CW_ASM_SYNTAX': 'NO', # Remove -fasm-blocks.
 
           'GCC_ENABLE_PASCAL_STRINGS': 'NO',
           'GCC_ENABLE_TRIGRAPHS': 'NO',
           'COMBINE_HIDPI_IMAGES': 'YES',
         },
-        'conditions': [
-          ['c_frame_pointers==1', {
-            'xcode_settings': {
-              'OTHER_CFLAGS': [
-                '-fno-omit-frame-pointer',
-                '-mno-omit-leaf-frame-pointer',
-              ],
-            },
-            'defines': [
-              'NATIVE_CODE_HAS_FRAME_POINTERS',
-            ],
-          }],
-        ],
       },
       'Dart_Macos_ia32_Base': {
         'abstract': 1,
       },
       'Dart_Macos_x64_Base': {
         'abstract': 1,
       },
       'Dart_Macos_simarm_Base': {
         'abstract': 1,
       },
       'Dart_Macos_simarmv6_Base': {
         'abstract': 1,
       },
       'Dart_Macos_simarmv5te_Base': {
         'abstract': 1,
       },
       'Dart_Macos_simarm64_Base': {
         'abstract': 1,
       },
       'Dart_Macos_simmips_Base': {
         'abstract': 1,
       },
       'Dart_Macos_Debug': {
         'abstract': 1,
+        'xcode_settings': {
+          'OTHER_CFLAGS': [
+          '-fno-omit-frame-pointer',
+          '-mno-omit-leaf-frame-pointer',
+          ],
+        },
       },
       'Dart_Macos_Release': {
         'abstract': 1,
+        'xcode_settings': {
+          'OTHER_CFLAGS': [
+          '-fno-omit-frame-pointer',
+          '-mno-omit-leaf-frame-pointer',
+          ],
+        },
+      },
+      'Dart_Macos_Product': {
+        'abstract': 1,
+        'xcode_settings': {
+          'OTHER_CFLAGS': [
+          '-fomit-frame-pointer',
+          '-momit-leaf-frame-pointer',
+          ],
+        },
       },
     },
   },
 }