deps: upgrade V8 to 4.7.80.24

Pick up the latest branch head for V8 4.7:
https://github.com/v8/v8/commit/be169f8df059040e6a53ec1dd4579d8bca2167b5

Full change history for the 4.7 branch:
https://chromium.googlesource.com/v8/v8.git/+log/branch-heads/4.7

V8 blog post about what is new on V8 4.7:
http://v8project.blogspot.de/2015/10/v8-release-47.html

PR-URL: https://github.com/nodejs/node/pull/4106
Reviewed-By: bnoordhuis - Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: targos - Michaël Zasso <mic.besace@gmail.com>
Reviewed-By: rvagg - Rod Vagg <rod@vagg.org>

1 files changed, 3 insertions, 69 deletions

diff --git a/deps/v8/tools/gen-postmortem-metadata.py b/deps/v8/tools/gen-postmortem-metadata.py
index e3c9dbe076..1b6a6bbcf0 100644
--- a/deps/v8/tools/gen-postmortem-metadata.py
+++ b/deps/v8/tools/gen-postmortem-metadata.py
@@ -98,30 +98,6 @@ consts_misc = [
         'value': 'PropertyDetails::FieldIndexField::kMask' },
     { 'name': 'prop_index_shift',
         'value': 'PropertyDetails::FieldIndexField::kShift' },
-    { 'name': 'prop_representation_mask',
-        'value': 'PropertyDetails::RepresentationField::kMask' },
-    { 'name': 'prop_representation_shift',
-        'value': 'PropertyDetails::RepresentationField::kShift' },
-    { 'name': 'prop_representation_integer8',
-        'value': 'Representation::Kind::kInteger8' },
-    { 'name': 'prop_representation_uinteger8',
-        'value': 'Representation::Kind::kUInteger8' },
-    { 'name': 'prop_representation_integer16',
-        'value': 'Representation::Kind::kInteger16' },
-    { 'name': 'prop_representation_uinteger16',
-        'value': 'Representation::Kind::kUInteger16' },
-    { 'name': 'prop_representation_smi',
-        'value': 'Representation::Kind::kSmi' },
-    { 'name': 'prop_representation_integer32',
-        'value': 'Representation::Kind::kInteger32' },
-    { 'name': 'prop_representation_double',
-        'value': 'Representation::Kind::kDouble' },
-    { 'name': 'prop_representation_heapobject',
-        'value': 'Representation::Kind::kHeapObject' },
-    { 'name': 'prop_representation_tagged',
-        'value': 'Representation::Kind::kTagged' },
-    { 'name': 'prop_representation_external',
-        'value': 'Representation::Kind::kExternal' },
 
     { 'name': 'prop_desc_key',
         'value': 'DescriptorArray::kDescriptorKey' },
@@ -145,10 +121,6 @@ consts_misc = [
         'value': 'Map::ElementsKindBits::kShift' },
     { 'name': 'bit_field3_dictionary_map_shift',
         'value': 'Map::DictionaryMap::kShift' },
-    { 'name': 'bit_field3_number_of_own_descriptors_mask',
-        'value': 'Map::NumberOfOwnDescriptorsBits::kMask' },
-    { 'name': 'bit_field3_number_of_own_descriptors_shift',
-        'value': 'Map::NumberOfOwnDescriptorsBits::kShift' },
 
     { 'name': 'off_fp_context',
         'value': 'StandardFrameConstants::kContextOffset' },
@@ -167,37 +139,20 @@ consts_misc = [
         'value': 'ScopeInfo::kStackLocalCount' },
     { 'name': 'scopeinfo_idx_ncontextlocals',
         'value': 'ScopeInfo::kContextLocalCount' },
-    { 'name': 'scopeinfo_idx_ncontextglobals',
-        'value': 'ScopeInfo::kContextGlobalCount' },
     { 'name': 'scopeinfo_idx_first_vars',
         'value': 'ScopeInfo::kVariablePartIndex' },
-
-    { 'name': 'sharedfunctioninfo_start_position_mask',
-        'value': 'SharedFunctionInfo::kStartPositionMask' },
-    { 'name': 'sharedfunctioninfo_start_position_shift',
-        'value': 'SharedFunctionInfo::kStartPositionShift' },
-
-    { 'name': 'jsarray_buffer_was_neutered_mask',
-        'value': 'JSArrayBuffer::WasNeutered::kMask' },
-    { 'name': 'jsarray_buffer_was_neutered_shift',
-        'value': 'JSArrayBuffer::WasNeutered::kShift' },
 ];
 
 #
 # The following useful fields are missing accessors, so we define fake ones.
 #
 extras_accessors = [
-    'JSFunction, context, Context, kContextOffset',
-    'Context, closure_index, int, CLOSURE_INDEX',
-    'Context, global_object_index, int, GLOBAL_OBJECT_INDEX',
-    'Context, previous_index, int, PREVIOUS_INDEX',
-    'Context, min_context_slots, int, MIN_CONTEXT_SLOTS',
     'HeapObject, map, Map, kMapOffset',
     'JSObject, elements, Object, kElementsOffset',
     'FixedArray, data, uintptr_t, kHeaderSize',
-    'JSTypedArray, length, Object, kLengthOffset',
     'JSArrayBuffer, backing_store, Object, kBackingStoreOffset',
     'JSArrayBufferView, byte_offset, Object, kByteOffsetOffset',
+    'JSTypedArray, length, Object, kLengthOffset',
     'Map, instance_attributes, int, kInstanceAttributesOffset',
     'Map, inobject_properties_or_constructor_function_index, int, kInObjectPropertiesOrConstructorFunctionIndexOffset',
     'Map, instance_size, int, kInstanceSizeOffset',
@@ -207,7 +162,6 @@ extras_accessors = [
     'Map, prototype, Object, kPrototypeOffset',
     'NameDictionaryShape, prefix_size, int, kPrefixSize',
     'NameDictionaryShape, entry_size, int, kEntrySize',
-    'NameDictionary, prefix_start_index, int, kPrefixStartIndex',
     'SeededNumberDictionaryShape, prefix_size, int, kPrefixSize',
     'UnseededNumberDictionaryShape, prefix_size, int, kPrefixSize',
     'NumberDictionaryShape, entry_size, int, kEntrySize',
@@ -219,7 +173,6 @@ extras_accessors = [
     'SeqOneByteString, chars, char, kHeaderSize',
     'SeqTwoByteString, chars, char, kHeaderSize',
     'SharedFunctionInfo, code, Code, kCodeOffset',
-    'SharedFunctionInfo, scope_info, ScopeInfo, kScopeInfoOffset',
     'SlicedString, parent, String, kParentOffset',
     'Code, instruction_start, uintptr_t, kHeaderSize',
     'Code, instruction_size, int, kInstructionSizeOffset',
@@ -274,20 +227,6 @@ footer = '''
 '''
 
 #
-# Get the base class
-#
-def get_base_class(klass):
-        if (klass == 'Object'):
-                return klass;
-
-        if (not (klass in klasses)):
-                return None;
-
-        k = klasses[klass];
-
-        return get_base_class(k['parent']);
-
-#
 # Loads class hierarchy and type information from "objects.h".
 #
 def load_objects():
@@ -325,14 +264,12 @@ def load_objects():
                         typestr += line;
                         continue;
 
-                match = re.match('class (\w[^:]*)(: public (\w[^{]*))?\s*{\s*',
+                match = re.match('class (\w[^\s:]*)(: public (\w[^\s{]*))?\s*{',
                     line);
 
                 if (match):
-                        klass = match.group(1).rstrip().lstrip();
+                        klass = match.group(1);
                         pklass = match.group(3);
-                        if (pklass):
-                                pklass = pklass.rstrip().lstrip();
                         klasses[klass] = { 'parent': pklass };
 
         #
@@ -583,9 +520,6 @@ def emit_config():
         keys.sort();
         for klassname in keys:
                 pklass = klasses[klassname]['parent'];
-                bklass = get_base_class(klassname);
-                if (bklass != 'Object'):
-                        continue;
                 if (pklass == None):
                         continue;