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, 213 insertions, 213 deletions

diff --git a/deps/v8/src/contexts.h b/deps/v8/src/contexts.h
index 9e6fc0e4f5..1ca572576e 100644
--- a/deps/v8/src/contexts.h
+++ b/deps/v8/src/contexts.h
@@ -73,150 +73,190 @@ enum BindingFlags {
 // must always be allocated via Heap::AllocateContext() or
 // Factory::NewContext.
 
+#define NATIVE_CONTEXT_INTRINSIC_FUNCTIONS(V)                             \
+  V(CONCAT_ITERABLE_TO_ARRAY_INDEX, JSFunction, concat_iterable_to_array) \
+  V(GET_TEMPLATE_CALL_SITE_INDEX, JSFunction, get_template_call_site)     \
+  V(MAKE_RANGE_ERROR_INDEX, JSFunction, make_range_error)                 \
+  V(MAKE_TYPE_ERROR_INDEX, JSFunction, make_type_error)                   \
+  V(NON_NUMBER_TO_NUMBER_INDEX, JSFunction, non_number_to_number)         \
+  V(REFLECT_APPLY_INDEX, JSFunction, reflect_apply)                       \
+  V(REFLECT_CONSTRUCT_INDEX, JSFunction, reflect_construct)               \
+  V(SPREAD_ARGUMENTS_INDEX, JSFunction, spread_arguments)                 \
+  V(SPREAD_ITERABLE_INDEX, JSFunction, spread_iterable)                   \
+  V(TO_NUMBER_FUN_INDEX, JSFunction, to_number_fun)
+
+
+#define NATIVE_CONTEXT_JS_BUILTINS(V)                                 \
+  V(APPLY_PREPARE_BUILTIN_INDEX, JSFunction, apply_prepare_builtin)   \
+  V(CONCAT_ITERABLE_TO_ARRAY_BUILTIN_INDEX, JSFunction,               \
+    concat_iterable_to_array_builtin)                                 \
+  V(REFLECT_APPLY_PREPARE_BUILTIN_INDEX, JSFunction,                  \
+    reflect_apply_prepare_builtin)                                    \
+  V(REFLECT_CONSTRUCT_PREPARE_BUILTIN_INDEX, JSFunction,              \
+    reflect_construct_prepare_builtin)
+
+
+#define NATIVE_CONTEXT_IMPORTED_FIELDS(V)                                     \
+  V(ARRAY_CONCAT_INDEX, JSFunction, array_concat)                             \
+  V(ARRAY_POP_INDEX, JSFunction, array_pop)                                   \
+  V(ARRAY_PUSH_INDEX, JSFunction, array_push)                                 \
+  V(ARRAY_SHIFT_INDEX, JSFunction, array_shift)                               \
+  V(ARRAY_SPLICE_INDEX, JSFunction, array_splice)                             \
+  V(ARRAY_SLICE_INDEX, JSFunction, array_slice)                               \
+  V(ARRAY_UNSHIFT_INDEX, JSFunction, array_unshift)                           \
+  V(ARRAY_VALUES_ITERATOR_INDEX, JSFunction, array_values_iterator)           \
+  V(CREATE_DATE_FUN_INDEX, JSFunction, create_date_fun)                       \
+  V(DERIVED_GET_TRAP_INDEX, JSFunction, derived_get_trap)                     \
+  V(DERIVED_HAS_TRAP_INDEX, JSFunction, derived_has_trap)                     \
+  V(DERIVED_SET_TRAP_INDEX, JSFunction, derived_set_trap)                     \
+  V(ERROR_FUNCTION_INDEX, JSFunction, error_function)                         \
+  V(EVAL_ERROR_FUNCTION_INDEX, JSFunction, eval_error_function)               \
+  V(GET_STACK_TRACE_LINE_INDEX, JSFunction, get_stack_trace_line_fun)         \
+  V(GLOBAL_EVAL_FUN_INDEX, JSFunction, global_eval_fun)                       \
+  V(JSON_SERIALIZE_ADAPTER_INDEX, JSFunction, json_serialize_adapter)         \
+  V(MAKE_ERROR_FUNCTION_INDEX, JSFunction, make_error_function)               \
+  V(MAP_DELETE_METHOD_INDEX, JSFunction, map_delete)                          \
+  V(MAP_FROM_ARRAY_INDEX, JSFunction, map_from_array)                         \
+  V(MAP_GET_METHOD_INDEX, JSFunction, map_get)                                \
+  V(MAP_HAS_METHOD_INDEX, JSFunction, map_has)                                \
+  V(MAP_SET_METHOD_INDEX, JSFunction, map_set)                                \
+  V(MESSAGE_GET_COLUMN_NUMBER_INDEX, JSFunction, message_get_column_number)   \
+  V(MESSAGE_GET_LINE_NUMBER_INDEX, JSFunction, message_get_line_number)       \
+  V(MESSAGE_GET_SOURCE_LINE_INDEX, JSFunction, message_get_source_line)       \
+  V(NATIVE_OBJECT_GET_NOTIFIER_INDEX, JSFunction, native_object_get_notifier) \
+  V(NATIVE_OBJECT_NOTIFIER_PERFORM_CHANGE, JSFunction,                        \
+    native_object_notifier_perform_change)                                    \
+  V(NATIVE_OBJECT_OBSERVE_INDEX, JSFunction, native_object_observe)           \
+  V(NO_SIDE_EFFECT_TO_STRING_FUN_INDEX, JSFunction,                           \
+    no_side_effect_to_string_fun)                                             \
+  V(OBJECT_VALUE_OF, JSFunction, object_value_of)                             \
+  V(OBJECT_TO_STRING, JSFunction, object_to_string)                           \
+  V(OBJECT_DEFINE_OWN_PROPERTY_INDEX, JSFunction, object_define_own_property) \
+  V(OBJECT_GET_OWN_PROPERTY_DESCROPTOR_INDEX, JSFunction,                     \
+    object_get_own_property_descriptor)                                       \
+  V(OBSERVERS_BEGIN_SPLICE_INDEX, JSFunction, observers_begin_perform_splice) \
+  V(OBSERVERS_END_SPLICE_INDEX, JSFunction, observers_end_perform_splice)     \
+  V(OBSERVERS_ENQUEUE_SPLICE_INDEX, JSFunction, observers_enqueue_splice)     \
+  V(OBSERVERS_NOTIFY_CHANGE_INDEX, JSFunction, observers_notify_change)       \
+  V(PROMISE_CATCH_INDEX, JSFunction, promise_catch)                           \
+  V(PROMISE_CHAIN_INDEX, JSFunction, promise_chain)                           \
+  V(PROMISE_CREATE_INDEX, JSFunction, promise_create)                         \
+  V(PROMISE_HAS_USER_DEFINED_REJECT_HANDLER_INDEX, JSFunction,                \
+    promise_has_user_defined_reject_handler)                                  \
+  V(PROMISE_REJECT_INDEX, JSFunction, promise_reject)                         \
+  V(PROMISE_RESOLVE_INDEX, JSFunction, promise_resolve)                       \
+  V(PROMISE_THEN_INDEX, JSFunction, promise_then)                             \
+  V(PROXY_ENUMERATE_INDEX, JSFunction, proxy_enumerate)                       \
+  V(RANGE_ERROR_FUNCTION_INDEX, JSFunction, range_error_function)             \
+  V(REFERENCE_ERROR_FUNCTION_INDEX, JSFunction, reference_error_function)     \
+  V(SET_ADD_METHOD_INDEX, JSFunction, set_add)                                \
+  V(SET_DELETE_METHOD_INDEX, JSFunction, set_delete)                          \
+  V(SET_FROM_ARRAY_INDEX, JSFunction, set_from_array)                         \
+  V(SET_HAS_METHOD_INDEX, JSFunction, set_has)                                \
+  V(STACK_OVERFLOW_BOILERPLATE_INDEX, JSObject, stack_overflow_boilerplate)   \
+  V(SYNTAX_ERROR_FUNCTION_INDEX, JSFunction, syntax_error_function)           \
+  V(TO_COMPLETE_PROPERTY_DESCRIPTOR_INDEX, JSFunction,                        \
+    to_complete_property_descriptor)                                          \
+  V(TO_DETAIL_STRING_FUN_INDEX, JSFunction, to_detail_string_fun)             \
+  V(TYPE_ERROR_FUNCTION_INDEX, JSFunction, type_error_function)               \
+  V(URI_ERROR_FUNCTION_INDEX, JSFunction, uri_error_function)                 \
+  NATIVE_CONTEXT_JS_BUILTINS(V)
+
 #define NATIVE_CONTEXT_FIELDS(V)                                               \
   V(GLOBAL_PROXY_INDEX, JSObject, global_proxy_object)                         \
-  V(SECURITY_TOKEN_INDEX, Object, security_token)                              \
+  V(EMBEDDER_DATA_INDEX, FixedArray, embedder_data)                            \
+  /* Below is alpha-sorted */                                                  \
+  V(ALLOW_CODE_GEN_FROM_STRINGS_INDEX, Object, allow_code_gen_from_strings)    \
+  V(ARRAY_BUFFER_FUN_INDEX, JSFunction, array_buffer_fun)                      \
+  V(ARRAY_BUFFER_MAP_INDEX, Map, array_buffer_map)                             \
+  V(ARRAY_FUNCTION_INDEX, JSFunction, array_function)                          \
+  V(BOOL16X8_FUNCTION_INDEX, JSFunction, bool16x8_function)                    \
+  V(BOOL32X4_FUNCTION_INDEX, JSFunction, bool32x4_function)                    \
+  V(BOOL8X16_FUNCTION_INDEX, JSFunction, bool8x16_function)                    \
   V(BOOLEAN_FUNCTION_INDEX, JSFunction, boolean_function)                      \
-  V(NUMBER_FUNCTION_INDEX, JSFunction, number_function)                        \
-  V(STRING_FUNCTION_INDEX, JSFunction, string_function)                        \
-  V(STRING_FUNCTION_PROTOTYPE_MAP_INDEX, Map, string_function_prototype_map)   \
-  V(SYMBOL_FUNCTION_INDEX, JSFunction, symbol_function)                        \
+  V(BOUND_FUNCTION_WITH_CONSTRUCTOR_MAP_INDEX, Map,                            \
+    bound_function_with_constructor_map)                                       \
+  V(BOUND_FUNCTION_WITHOUT_CONSTRUCTOR_MAP_INDEX, Map,                         \
+    bound_function_without_constructor_map)                                    \
+  V(CALL_AS_CONSTRUCTOR_DELEGATE_INDEX, JSFunction,                            \
+    call_as_constructor_delegate)                                              \
+  V(CALL_AS_FUNCTION_DELEGATE_INDEX, JSFunction, call_as_function_delegate)    \
+  V(CONTEXT_EXTENSION_FUNCTION_INDEX, JSFunction, context_extension_function)  \
+  V(DATA_VIEW_FUN_INDEX, JSFunction, data_view_fun)                            \
+  V(ERROR_MESSAGE_FOR_CODE_GEN_FROM_STRINGS_INDEX, Object,                     \
+    error_message_for_code_gen_from_strings)                                   \
+  V(EXTRAS_EXPORTS_OBJECT_INDEX, JSObject, extras_binding_object)              \
+  V(EXTRAS_UTILS_OBJECT_INDEX, JSObject, extras_utils_object)                  \
+  V(FAST_ALIASED_ARGUMENTS_MAP_INDEX, Map, fast_aliased_arguments_map)         \
+  V(FLOAT32_ARRAY_FUN_INDEX, JSFunction, float32_array_fun)                    \
   V(FLOAT32X4_FUNCTION_INDEX, JSFunction, float32x4_function)                  \
-  V(INT32X4_FUNCTION_INDEX, JSFunction, int32x4_function)                      \
-  V(BOOL32X4_FUNCTION_INDEX, JSFunction, bool32x4_function)                    \
+  V(FLOAT64_ARRAY_FUN_INDEX, JSFunction, float64_array_fun)                    \
+  V(FUNCTION_CACHE_INDEX, ObjectHashTable, function_cache)                     \
+  V(GENERATOR_OBJECT_PROTOTYPE_MAP_INDEX, Map, generator_object_prototype_map) \
+  V(INITIAL_ARRAY_PROTOTYPE_INDEX, JSObject, initial_array_prototype)          \
+  V(INITIAL_OBJECT_PROTOTYPE_INDEX, JSObject, initial_object_prototype)        \
+  V(INT16_ARRAY_FUN_INDEX, JSFunction, int16_array_fun)                        \
   V(INT16X8_FUNCTION_INDEX, JSFunction, int16x8_function)                      \
-  V(BOOL16X8_FUNCTION_INDEX, JSFunction, bool16x8_function)                    \
+  V(INT32_ARRAY_FUN_INDEX, JSFunction, int32_array_fun)                        \
+  V(INT32X4_FUNCTION_INDEX, JSFunction, int32x4_function)                      \
+  V(INT8_ARRAY_FUN_INDEX, JSFunction, int8_array_fun)                          \
   V(INT8X16_FUNCTION_INDEX, JSFunction, int8x16_function)                      \
-  V(BOOL8X16_FUNCTION_INDEX, JSFunction, bool8x16_function)                    \
-  V(OBJECT_FUNCTION_INDEX, JSFunction, object_function)                        \
-  V(JS_OBJECT_STRONG_MAP_INDEX, Map, js_object_strong_map)                     \
   V(INTERNAL_ARRAY_FUNCTION_INDEX, JSFunction, internal_array_function)        \
-  V(ARRAY_FUNCTION_INDEX, JSFunction, array_function)                          \
+  V(ITERATOR_RESULT_MAP_INDEX, Map, iterator_result_map)                       \
   V(JS_ARRAY_MAPS_INDEX, Object, js_array_maps)                                \
   V(JS_ARRAY_STRONG_MAPS_INDEX, Object, js_array_strong_maps)                  \
+  V(JS_MAP_FUN_INDEX, JSFunction, js_map_fun)                                  \
+  V(JS_MAP_MAP_INDEX, Map, js_map_map)                                         \
+  V(JS_OBJECT_STRONG_MAP_INDEX, Map, js_object_strong_map)                     \
+  V(JS_SET_FUN_INDEX, JSFunction, js_set_fun)                                  \
+  V(JS_SET_MAP_INDEX, Map, js_set_map)                                         \
+  V(MAP_CACHE_INDEX, Object, map_cache)                                        \
+  V(MAP_ITERATOR_MAP_INDEX, Map, map_iterator_map)                             \
+  V(STRING_ITERATOR_MAP_INDEX, Map, string_iterator_map)                       \
+  V(MESSAGE_LISTENERS_INDEX, JSObject, message_listeners)                      \
+  V(NATIVES_UTILS_OBJECT_INDEX, Object, natives_utils_object)                  \
+  V(NORMALIZED_MAP_CACHE_INDEX, Object, normalized_map_cache)                  \
+  V(NUMBER_FUNCTION_INDEX, JSFunction, number_function)                        \
+  V(OBJECT_FUNCTION_INDEX, JSFunction, object_function)                        \
+  V(OBJECT_FUNCTION_PROTOTYPE_MAP_INDEX, Map, object_function_prototype_map)   \
+  V(OPAQUE_REFERENCE_FUNCTION_INDEX, JSFunction, opaque_reference_function)    \
   V(REGEXP_FUNCTION_INDEX, JSFunction, regexp_function)                        \
-  V(INITIAL_OBJECT_PROTOTYPE_INDEX, JSObject, initial_object_prototype)        \
-  V(INITIAL_ARRAY_PROTOTYPE_INDEX, JSObject, initial_array_prototype)          \
-  V(EMBEDDER_DATA_INDEX, FixedArray, embedder_data)                            \
-  V(CREATE_DATE_FUN_INDEX, JSFunction, create_date_fun)                        \
-  V(TO_NUMBER_FUN_INDEX, JSFunction, to_number_fun)                            \
-  V(TO_STRING_FUN_INDEX, JSFunction, to_string_fun)                            \
-  V(TO_DETAIL_STRING_FUN_INDEX, JSFunction, to_detail_string_fun)              \
-  V(NO_SIDE_EFFECT_TO_STRING_FUN_INDEX, JSFunction,                            \
-    no_side_effect_to_string_fun)                                              \
-  V(TO_INTEGER_FUN_INDEX, JSFunction, to_integer_fun)                          \
-  V(TO_LENGTH_FUN_INDEX, JSFunction, to_length_fun)                            \
-  V(GLOBAL_EVAL_FUN_INDEX, JSFunction, global_eval_fun)                        \
-  V(ARRAY_BUFFER_FUN_INDEX, JSFunction, array_buffer_fun)                      \
+  V(REGEXP_RESULT_MAP_INDEX, Map, regexp_result_map)                           \
+  V(RUNTIME_CONTEXT_INDEX, Context, runtime_context)                           \
+  V(SCRIPT_CONTEXT_TABLE_INDEX, ScriptContextTable, script_context_table)      \
+  V(SCRIPT_FUNCTION_INDEX, JSFunction, script_function)                        \
+  V(SECURITY_TOKEN_INDEX, Object, security_token)                              \
+  V(SET_ITERATOR_MAP_INDEX, Map, set_iterator_map)                             \
   V(SHARED_ARRAY_BUFFER_FUN_INDEX, JSFunction, shared_array_buffer_fun)        \
-  V(ARRAY_BUFFER_MAP_INDEX, Map, array_buffer_map)                             \
-  V(UINT8_ARRAY_FUN_INDEX, JSFunction, uint8_array_fun)                        \
-  V(INT8_ARRAY_FUN_INDEX, JSFunction, int8_array_fun)                          \
-  V(UINT16_ARRAY_FUN_INDEX, JSFunction, uint16_array_fun)                      \
-  V(INT16_ARRAY_FUN_INDEX, JSFunction, int16_array_fun)                        \
-  V(UINT32_ARRAY_FUN_INDEX, JSFunction, uint32_array_fun)                      \
-  V(INT32_ARRAY_FUN_INDEX, JSFunction, int32_array_fun)                        \
-  V(FLOAT32_ARRAY_FUN_INDEX, JSFunction, float32_array_fun)                    \
-  V(FLOAT64_ARRAY_FUN_INDEX, JSFunction, float64_array_fun)                    \
-  V(UINT8_CLAMPED_ARRAY_FUN_INDEX, JSFunction, uint8_clamped_array_fun)        \
-  V(DATA_VIEW_FUN_INDEX, JSFunction, data_view_fun)                            \
+  V(SLOPPY_ARGUMENTS_MAP_INDEX, Map, sloppy_arguments_map)                     \
   V(SLOPPY_FUNCTION_MAP_INDEX, Map, sloppy_function_map)                       \
+  V(SLOPPY_FUNCTION_WITHOUT_PROTOTYPE_MAP_INDEX, Map,                          \
+    sloppy_function_without_prototype_map)                                     \
   V(SLOPPY_FUNCTION_WITH_READONLY_PROTOTYPE_MAP_INDEX, Map,                    \
     sloppy_function_with_readonly_prototype_map)                               \
+  V(SLOPPY_GENERATOR_FUNCTION_MAP_INDEX, Map, sloppy_generator_function_map)   \
+  V(SLOW_ALIASED_ARGUMENTS_MAP_INDEX, Map, slow_aliased_arguments_map)         \
+  V(STRICT_ARGUMENTS_MAP_INDEX, Map, strict_arguments_map)                     \
   V(STRICT_FUNCTION_MAP_INDEX, Map, strict_function_map)                       \
-  V(STRONG_FUNCTION_MAP_INDEX, Map, strong_function_map)                       \
-  V(SLOPPY_FUNCTION_WITHOUT_PROTOTYPE_MAP_INDEX, Map,                          \
-    sloppy_function_without_prototype_map)                                     \
   V(STRICT_FUNCTION_WITHOUT_PROTOTYPE_MAP_INDEX, Map,                          \
     strict_function_without_prototype_map)                                     \
-  V(STRONG_CONSTRUCTOR_MAP_INDEX, Map, strong_constructor_map)                 \
-  V(BOUND_FUNCTION_MAP_INDEX, Map, bound_function_map)                         \
-  V(REGEXP_RESULT_MAP_INDEX, Map, regexp_result_map)                           \
-  V(SLOPPY_ARGUMENTS_MAP_INDEX, Map, sloppy_arguments_map)                     \
-  V(FAST_ALIASED_ARGUMENTS_MAP_INDEX, Map, fast_aliased_arguments_map)         \
-  V(SLOW_ALIASED_ARGUMENTS_MAP_INDEX, Map, slow_aliased_arguments_map)         \
-  V(STRICT_ARGUMENTS_MAP_INDEX, Map, strict_arguments_map)                     \
-  V(MESSAGE_LISTENERS_INDEX, JSObject, message_listeners)                      \
-  V(GET_STACK_TRACE_LINE_INDEX, JSFunction, get_stack_trace_line_fun)          \
-  V(FUNCTION_CACHE_INDEX, ObjectHashTable, function_cache)                     \
-  V(NORMALIZED_MAP_CACHE_INDEX, Object, normalized_map_cache)                  \
-  V(RUNTIME_CONTEXT_INDEX, Context, runtime_context)                           \
-  V(CALL_AS_FUNCTION_DELEGATE_INDEX, JSFunction, call_as_function_delegate)    \
-  V(CALL_AS_CONSTRUCTOR_DELEGATE_INDEX, JSFunction,                            \
-    call_as_constructor_delegate)                                              \
-  V(SCRIPT_FUNCTION_INDEX, JSFunction, script_function)                        \
-  V(OPAQUE_REFERENCE_FUNCTION_INDEX, JSFunction, opaque_reference_function)    \
-  V(CONTEXT_EXTENSION_FUNCTION_INDEX, JSFunction, context_extension_function)  \
-  V(MAP_CACHE_INDEX, Object, map_cache)                                        \
-  V(STRONG_MAP_CACHE_INDEX, Object, strong_map_cache)                          \
-  V(ALLOW_CODE_GEN_FROM_STRINGS_INDEX, Object, allow_code_gen_from_strings)    \
-  V(ERROR_MESSAGE_FOR_CODE_GEN_FROM_STRINGS_INDEX, Object,                     \
-    error_message_for_code_gen_from_strings)                                   \
-  V(ERROR_FUNCTION_INDEX, JSFunction, error_function)                          \
-  V(EVAL_ERROR_FUNCTION_INDEX, JSFunction, eval_error_function)                \
-  V(RANGE_ERROR_FUNCTION_INDEX, JSFunction, range_error_function)              \
-  V(REFERENCE_ERROR_FUNCTION_INDEX, JSFunction, reference_error_function)      \
-  V(SYNTAX_ERROR_FUNCTION_INDEX, JSFunction, syntax_error_function)            \
-  V(TYPE_ERROR_FUNCTION_INDEX, JSFunction, type_error_function)                \
-  V(URI_ERROR_FUNCTION_INDEX, JSFunction, uri_error_function)                  \
-  V(MAKE_ERROR_FUNCTION_INDEX, JSFunction, make_error_function)                \
-  V(PROMISE_STATUS_INDEX, Symbol, promise_status)                              \
-  V(PROMISE_VALUE_INDEX, Symbol, promise_value)                                \
-  V(PROMISE_CREATE_INDEX, JSFunction, promise_create)                          \
-  V(PROMISE_RESOLVE_INDEX, JSFunction, promise_resolve)                        \
-  V(PROMISE_REJECT_INDEX, JSFunction, promise_reject)                          \
-  V(PROMISE_CHAIN_INDEX, JSFunction, promise_chain)                            \
-  V(PROMISE_CATCH_INDEX, JSFunction, promise_catch)                            \
-  V(PROMISE_THEN_INDEX, JSFunction, promise_then)                              \
-  V(PROMISE_HAS_USER_DEFINED_REJECT_HANDLER_INDEX, JSFunction,                 \
-    promise_has_user_defined_reject_handler)                                   \
-  V(TO_COMPLETE_PROPERTY_DESCRIPTOR_INDEX, JSFunction,                         \
-    to_complete_property_descriptor)                                           \
-  V(OBJECT_DEFINE_OWN_PROPERTY_INDEX, JSFunction, object_define_own_property)  \
-  V(OBJECT_GET_OWN_PROPERTY_DESCROPTOR_INDEX, JSFunction,                      \
-    object_get_own_property_descriptor)                                        \
-  V(MESSAGE_GET_LINE_NUMBER_INDEX, JSFunction, message_get_line_number)        \
-  V(MESSAGE_GET_COLUMN_NUMBER_INDEX, JSFunction, message_get_column_number)    \
-  V(MESSAGE_GET_SOURCE_LINE_INDEX, JSFunction, message_get_source_line)        \
-  V(STACK_OVERFLOW_BOILERPLATE_INDEX, JSObject, stack_overflow_boilerplate)    \
-  V(JSON_SERIALIZE_ADAPTER_INDEX, JSFunction, json_serialize_adapter)          \
-  V(DERIVED_HAS_TRAP_INDEX, JSFunction, derived_has_trap)                      \
-  V(DERIVED_GET_TRAP_INDEX, JSFunction, derived_get_trap)                      \
-  V(DERIVED_SET_TRAP_INDEX, JSFunction, derived_set_trap)                      \
-  V(PROXY_ENUMERATE_INDEX, JSFunction, proxy_enumerate)                        \
-  V(OBSERVERS_NOTIFY_CHANGE_INDEX, JSFunction, observers_notify_change)        \
-  V(OBSERVERS_ENQUEUE_SPLICE_INDEX, JSFunction, observers_enqueue_splice)      \
-  V(OBSERVERS_BEGIN_SPLICE_INDEX, JSFunction, observers_begin_perform_splice)  \
-  V(OBSERVERS_END_SPLICE_INDEX, JSFunction, observers_end_perform_splice)      \
-  V(NATIVE_OBJECT_OBSERVE_INDEX, JSFunction, native_object_observe)            \
-  V(NATIVE_OBJECT_GET_NOTIFIER_INDEX, JSFunction, native_object_get_notifier)  \
-  V(NATIVE_OBJECT_NOTIFIER_PERFORM_CHANGE, JSFunction,                         \
-    native_object_notifier_perform_change)                                     \
-  V(SLOPPY_GENERATOR_FUNCTION_MAP_INDEX, Map, sloppy_generator_function_map)   \
   V(STRICT_GENERATOR_FUNCTION_MAP_INDEX, Map, strict_generator_function_map)   \
+  V(STRING_FUNCTION_INDEX, JSFunction, string_function)                        \
+  V(STRING_FUNCTION_PROTOTYPE_MAP_INDEX, Map, string_function_prototype_map)   \
+  V(STRONG_CONSTRUCTOR_MAP_INDEX, Map, strong_constructor_map)                 \
+  V(STRONG_FUNCTION_MAP_INDEX, Map, strong_function_map)                       \
   V(STRONG_GENERATOR_FUNCTION_MAP_INDEX, Map, strong_generator_function_map)   \
-  V(GENERATOR_OBJECT_PROTOTYPE_MAP_INDEX, Map, generator_object_prototype_map) \
-  V(ITERATOR_RESULT_MAP_INDEX, Map, iterator_result_map)                       \
-  V(JS_MAP_FUN_INDEX, JSFunction, js_map_fun)                                  \
-  V(JS_MAP_MAP_INDEX, Map, js_map_map)                                         \
-  V(JS_SET_FUN_INDEX, JSFunction, js_set_fun)                                  \
-  V(JS_SET_MAP_INDEX, Map, js_set_map)                                         \
-  V(MAP_GET_METHOD_INDEX, JSFunction, map_get)                                 \
-  V(MAP_SET_METHOD_INDEX, JSFunction, map_set)                                 \
-  V(MAP_HAS_METHOD_INDEX, JSFunction, map_has)                                 \
-  V(MAP_DELETE_METHOD_INDEX, JSFunction, map_delete)                           \
-  V(SET_ADD_METHOD_INDEX, JSFunction, set_add)                                 \
-  V(SET_HAS_METHOD_INDEX, JSFunction, set_has)                                 \
-  V(SET_DELETE_METHOD_INDEX, JSFunction, set_delete)                           \
-  V(MAP_FROM_ARRAY_INDEX, JSFunction, map_from_array)                          \
-  V(SET_FROM_ARRAY_INDEX, JSFunction, set_from_array)                          \
-  V(MAP_ITERATOR_MAP_INDEX, Map, map_iterator_map)                             \
-  V(SET_ITERATOR_MAP_INDEX, Map, set_iterator_map)                             \
-  V(ARRAY_VALUES_ITERATOR_INDEX, JSFunction, array_values_iterator)            \
-  V(SCRIPT_CONTEXT_TABLE_INDEX, ScriptContextTable, script_context_table)      \
-  V(NATIVES_UTILS_OBJECT_INDEX, Object, natives_utils_object)                  \
-  V(EXTRAS_EXPORTS_OBJECT_INDEX, JSObject, extras_binding_object)
-
+  V(STRONG_MAP_CACHE_INDEX, Object, strong_map_cache)                          \
+  V(SYMBOL_FUNCTION_INDEX, JSFunction, symbol_function)                        \
+  V(UINT16_ARRAY_FUN_INDEX, JSFunction, uint16_array_fun)                      \
+  V(UINT16X8_FUNCTION_INDEX, JSFunction, uint16x8_function)                    \
+  V(UINT32_ARRAY_FUN_INDEX, JSFunction, uint32_array_fun)                      \
+  V(UINT32X4_FUNCTION_INDEX, JSFunction, uint32x4_function)                    \
+  V(UINT8_ARRAY_FUN_INDEX, JSFunction, uint8_array_fun)                        \
+  V(UINT8_CLAMPED_ARRAY_FUN_INDEX, JSFunction, uint8_clamped_array_fun)        \
+  V(UINT8X16_FUNCTION_INDEX, JSFunction, uint8x16_function)                    \
+  NATIVE_CONTEXT_INTRINSIC_FUNCTIONS(V)                                        \
+  NATIVE_CONTEXT_IMPORTED_FIELDS(V)
 
 // A table of all script contexts. Every loaded top-level script with top-level
 // lexical declarations contributes its ScriptContext into this table.
@@ -226,28 +266,21 @@ enum BindingFlags {
 class ScriptContextTable : public FixedArray {
  public:
   // Conversions.
-  static ScriptContextTable* cast(Object* context) {
-    DCHECK(context->IsScriptContextTable());
-    return reinterpret_cast<ScriptContextTable*>(context);
-  }
+  static inline ScriptContextTable* cast(Object* context);
 
   struct LookupResult {
     int context_index;
     int slot_index;
     VariableMode mode;
-    VariableLocation location;
     InitializationFlag init_flag;
     MaybeAssignedFlag maybe_assigned_flag;
   };
 
-  int used() const { return Smi::cast(get(kUsedSlot))->value(); }
+  inline int used() const;
+  inline void set_used(int used);
 
-  void set_used(int used) { set(kUsedSlot, Smi::FromInt(used)); }
-
-  static Handle<Context> GetContext(Handle<ScriptContextTable> table, int i) {
-    DCHECK(i < table->used());
-    return Handle<Context>::cast(FixedArray::get(table, i + 1));
-  }
+  static inline Handle<Context> GetContext(Handle<ScriptContextTable> table,
+                                           int i);
 
   // Lookup a variable `name` in a ScriptContextTable.
   // If it returns true, the variable is found and `result` contains
@@ -267,8 +300,9 @@ class ScriptContextTable : public FixedArray {
 
  private:
   static const int kUsedSlot = 0;
+  static const int kFirstContextSlot = kUsedSlot + 1;
   static const int kFirstContextOffset =
-      FixedArray::kHeaderSize + (kUsedSlot + 1) * kPointerSize;
+      FixedArray::kHeaderSize + kFirstContextSlot * kPointerSize;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(ScriptContextTable);
 };
@@ -301,8 +335,11 @@ class ScriptContextTable : public FixedArray {
 //                Dynamically declared variables/functions are also added
 //                to lazily allocated extension object. Context::Lookup
 //                searches the extension object for properties.
-//                For global and block contexts, contains the respective
-//                ScopeInfo.
+//                For script and block contexts, contains the respective
+//                ScopeInfo. For block contexts representing sloppy declaration
+//                block scopes, it may also be a struct being a
+//                SloppyBlockWithEvalContextExtension, pairing the ScopeInfo
+//                with an extension object.
 //                For module contexts, points back to the respective JSModule.
 //
 // [ global_object ]  A pointer to the global object. Provided for quick
@@ -323,10 +360,7 @@ class ScriptContextTable : public FixedArray {
 class Context: public FixedArray {
  public:
   // Conversions.
-  static Context* cast(Object* context) {
-    DCHECK(context->IsContext());
-    return reinterpret_cast<Context*>(context);
-  }
+  static inline Context* cast(Object* context);
 
   // The default context slot layout; indices are FixedArray slot indices.
   enum {
@@ -362,35 +396,30 @@ class Context: public FixedArray {
   };
 
   // Direct slot access.
-  JSFunction* closure() { return JSFunction::cast(get(CLOSURE_INDEX)); }
-  void set_closure(JSFunction* closure) { set(CLOSURE_INDEX, closure); }
+  inline JSFunction* closure();
+  inline void set_closure(JSFunction* closure);
 
-  Context* previous() {
-    Object* result = unchecked_previous();
-    DCHECK(IsBootstrappingOrValidParentContext(result, this));
-    return reinterpret_cast<Context*>(result);
-  }
-  void set_previous(Context* context) { set(PREVIOUS_INDEX, context); }
+  inline Context* previous();
+  inline void set_previous(Context* context);
 
-  bool has_extension() { return extension() != NULL; }
-  Object* extension() { return get(EXTENSION_INDEX); }
-  void set_extension(Object* object) { set(EXTENSION_INDEX, object); }
+  inline bool has_extension();
+  inline Object* extension();
+  inline void set_extension(Object* object);
+  JSObject* extension_object();
+  JSReceiver* extension_receiver();
+  ScopeInfo* scope_info();
+  String* catch_name();
 
-  JSModule* module() { return JSModule::cast(get(EXTENSION_INDEX)); }
-  void set_module(JSModule* module) { set(EXTENSION_INDEX, module); }
+  inline JSModule* module();
+  inline void set_module(JSModule* module);
 
   // Get the context where var declarations will be hoisted to, which
   // may be the context itself.
   Context* declaration_context();
+  bool is_declaration_context();
 
-  GlobalObject* global_object() {
-    Object* result = get(GLOBAL_OBJECT_INDEX);
-    DCHECK(IsBootstrappingOrGlobalObject(this->GetIsolate(), result));
-    return reinterpret_cast<GlobalObject*>(result);
-  }
-  void set_global_object(GlobalObject* object) {
-    set(GLOBAL_OBJECT_INDEX, object);
-  }
+  inline GlobalObject* global_object();
+  inline void set_global_object(GlobalObject* object);
 
   // Returns a JSGlobalProxy object or null.
   JSObject* global_proxy();
@@ -408,39 +437,15 @@ class Context: public FixedArray {
   // Predicates for context types.  IsNativeContext is also defined on Object
   // because we frequently have to know if arbitrary objects are natives
   // contexts.
-  bool IsNativeContext() {
-    Map* map = this->map();
-    return map == map->GetHeap()->native_context_map();
-  }
-  bool IsFunctionContext() {
-    Map* map = this->map();
-    return map == map->GetHeap()->function_context_map();
-  }
-  bool IsCatchContext() {
-    Map* map = this->map();
-    return map == map->GetHeap()->catch_context_map();
-  }
-  bool IsWithContext() {
-    Map* map = this->map();
-    return map == map->GetHeap()->with_context_map();
-  }
-  bool IsBlockContext() {
-    Map* map = this->map();
-    return map == map->GetHeap()->block_context_map();
-  }
-  bool IsModuleContext() {
-    Map* map = this->map();
-    return map == map->GetHeap()->module_context_map();
-  }
-  bool IsScriptContext() {
-    Map* map = this->map();
-    return map == map->GetHeap()->script_context_map();
-  }
+  inline bool IsNativeContext();
+  inline bool IsFunctionContext();
+  inline bool IsCatchContext();
+  inline bool IsWithContext();
+  inline bool IsBlockContext();
+  inline bool IsModuleContext();
+  inline bool IsScriptContext();
 
-  bool HasSameSecurityTokenAs(Context* that) {
-    return this->global_object()->native_context()->security_token() ==
-        that->global_object()->native_context()->security_token();
-  }
+  inline bool HasSameSecurityTokenAs(Context* that);
 
   // Initializes global variable bindings in given script context.
   void InitializeGlobalSlots();
@@ -461,19 +466,16 @@ class Context: public FixedArray {
 
   Handle<Object> ErrorMessageForCodeGenerationFromStrings();
 
+  static int ImportedFieldIndexForName(Handle<String> name);
+  static int IntrinsicIndexForName(Handle<String> name);
+
+  static bool IsJSBuiltin(Handle<Context> native_context,
+                          Handle<JSFunction> function);
+
 #define NATIVE_CONTEXT_FIELD_ACCESSORS(index, type, name) \
-  void  set_##name(type* value) {                         \
-    DCHECK(IsNativeContext());                            \
-    set(index, value);                                    \
-  }                                                       \
-  bool is_##name(type* value) {                           \
-    DCHECK(IsNativeContext());                            \
-    return type::cast(get(index)) == value;               \
-  }                                                       \
-  type* name() {                                          \
-    DCHECK(IsNativeContext());                            \
-    return type::cast(get(index));                        \
-  }
+  inline void set_##name(type* value);                    \
+  inline bool is_##name(type* value);                     \
+  inline type* name();
   NATIVE_CONTEXT_FIELDS(NATIVE_CONTEXT_FIELD_ACCESSORS)
 #undef NATIVE_CONTEXT_FIELD_ACCESSORS
 
@@ -512,7 +514,7 @@ class Context: public FixedArray {
                                       : SLOPPY_GENERATOR_FUNCTION_MAP_INDEX;
     }
 
-    if (IsConstructor(kind)) {
+    if (IsClassConstructor(kind)) {
       // Use strict function map (no own "caller" / "arguments")
       return is_strong(language_mode) ? STRONG_CONSTRUCTOR_MAP_INDEX
                                       : STRICT_FUNCTION_MAP_INDEX;
@@ -531,6 +533,7 @@ class Context: public FixedArray {
   }
 
   static const int kSize = kHeaderSize + NATIVE_CONTEXT_SLOTS * kPointerSize;
+  static const int kNotFound = -1;
 
   // GC support.
   typedef FixedBodyDescriptor<
@@ -542,9 +545,6 @@ class Context: public FixedArray {
       kSize> MarkCompactBodyDescriptor;
 
  private:
-  // Unchecked access to the slots.
-  Object* unchecked_previous() { return get(PREVIOUS_INDEX); }
-
 #ifdef DEBUG
   // Bootstrapping-aware type checks.
   static bool IsBootstrappingOrValidParentContext(Object* object, Context* kid);