Make it possible to turn on OBJECT_PRINT without DEBUG

build/features.gypi

 # Copyright 2013 the V8 project authors. All rights reserved.
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 #       notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 #       copyright notice, this list of conditions and the following
 #       disclaimer in the documentation and/or other materials provided
@@ skipping 15 matching lines @@
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 # Compile time controlled V8 features.
 
 {
   'variables': {
     'v8_enable_disassembler%': 0,
 
     'v8_enable_gdbjit%': 0,
 
-    'v8_object_print%': 0,
+    'v8_object_print%': 1,
 
-    'v8_enable_verify_heap%': 0,
+    'v8_enable_verify_heap%': 1,

[Michael Achenbach, 2014/12/09 13:52:13]

Why enable verify heap. Can you add that to the CL description?

 
     'v8_trace_maps%': 0,
 
     'v8_use_snapshot%': 'true',
 
     'v8_enable_verify_predictable%': 0,
 
     # With post mortem support enabled, metadata is embedded into libv8 that
     # describes various parameters of the VM for use by debuggers. See
     # tools/gen-postmortem-metadata.py for details.
@@ skipping 79 matching lines @@
             'defines': ['ENABLE_EXTRA_CHECKS',],
           }],
           ['v8_enable_handle_zapping==1', {
             'defines': ['ENABLE_HANDLE_ZAPPING',],
           }],
         ],  # conditions
       },  # Release
     },  # configurations
   },  # target_defaults
 }