Use tcmalloc on Linux

tools/gyp/configurations.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.
 
 {
   'variables': {
     'common_gcc_warning_flags': [
       '-Wall',
       '-Wextra', # Also known as -W.
       '-Wno-unused-parameter',
@@ skipping 662 matching lines @@
           'Dart_Linux_arm64_Base',
           'Dart_Linux_Product',
         ],
       },
 
       'DebugXMIPS': {
         'inherit_from': [
           'Dart_Base', 'Dart_mips_Base', 'Dart_Debug',
           'Dart_Linux_Base',
           'Dart_Linux_xmips_Base',
+          'Dart_Linux_xmips_Debug',
           'Dart_Linux_Debug',
         ],
       },
 
       'ReleaseXMIPS': {
         'inherit_from': [
           'Dart_Base', 'Dart_mips_Base', 'Dart_Release',
           'Dart_Linux_Base',
           'Dart_Linux_xmips_Base',
+          'Dart_Linux_xmips_Release',
           'Dart_Linux_Release',
         ],
       },
 
       'ProductXMIPS': {
         'inherit_from': [
           'Dart_Base', 'Dart_mips_Base', 'Dart_Product',
           'Dart_Linux_Base',
           'Dart_Linux_xmips_Base',
           'Dart_Linux_Product',
@@ skipping 226 matching lines @@
           },
 
           'ReleaseX64_x64': {
             'inherit_from': [ 'ReleaseX64' ]
           },
         }],
       ],
     },
   },
 }