Issue 5698 - Update V8 to 6.1.534.41

build-v8.gypi

 {
   'includes': ['common.gypi'],
   'variables': {
     'v8_enable_i18n_support': 0,
     'v8_optimized_debug': 0,
     'v8_use_external_startup_data': 0,
     'v8_use_snapshot': 1,
     'v8_random_seed%': 0,
   },
 
   'conditions': [
     ['OS=="win"', {
       'target_defaults': {
+        'configurations': {
+          'Debug': {
+            'conditions': [
+              ['target_arch=="x64"', {
+                'msvs_settings': {
+                  'VCCLCompilerTool': {
+                    'AdditionalOptions': [
+                      '/bigobj', # compiling fatal error C1128: number of sections exceeded object file format limit: compile with /bigobj
+                    ]
+                  }
+                }
+              }]
+            ],
+          }
+        },
         'msvs_settings': {
           'VCCLCompilerTool': {
             'WarningLevel': 0,
           },
         },
       }
     }]
   ],
 }