deps: bring in V8 5.1 - 5.0 ABI compatibility

Ref: https://github.com/ofrobots/node/pull/23

PR-URL: https://github.com/nodejs/node/pull/7016
Reviewed-By: Ali Ijaz Sheikh <ofrobots@google.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>

17 files changed, 57 insertions, 40 deletions

diff --git a/deps/v8/include/v8-platform.h b/deps/v8/include/v8-platform.h
index 4023a5b234..11f8d51f02 100644
--- a/deps/v8/include/v8-platform.h
+++ b/deps/v8/include/v8-platform.h
@@ -152,9 +152,9 @@ class Platform {
    */
   virtual uint64_t AddTraceEvent(
       char phase, const uint8_t* category_enabled_flag, const char* name,
-      const char* scope, uint64_t id, uint64_t bind_id, int32_t num_args,
-      const char** arg_names, const uint8_t* arg_types,
-      const uint64_t* arg_values, unsigned int flags) {
+      uint64_t id, uint64_t bind_id, int32_t num_args, const char** arg_names,
+      const uint8_t* arg_types, const uint64_t* arg_values,
+      unsigned int flags) {
     return 0;
   }
 
diff --git a/deps/v8/include/v8.h b/deps/v8/include/v8.h
index 703a4f4f4a..ad2e5f60c2 100644
--- a/deps/v8/include/v8.h
+++ b/deps/v8/include/v8.h
@@ -5212,8 +5212,8 @@ class V8_EXPORT HeapStatistics {
   size_t total_available_size_;
   size_t used_heap_size_;
   size_t heap_size_limit_;
-  size_t malloced_memory_;
   bool does_zap_garbage_;
+  size_t malloced_memory_;
 
   friend class V8;
   friend class Isolate;
@@ -7330,7 +7330,7 @@ class Internals {
       1 * kApiPointerSize + kApiIntSize;
   static const int kStringResourceOffset = 3 * kApiPointerSize;
 
-  static const int kOddballKindOffset = 5 * kApiPointerSize;
+  static const int kOddballKindOffset = 4 * kApiPointerSize;
   static const int kForeignAddressOffset = kApiPointerSize;
   static const int kJSObjectHeaderSize = 3 * kApiPointerSize;
   static const int kFixedArrayHeaderSize = 2 * kApiPointerSize;
@@ -7349,12 +7349,12 @@ class Internals {
   static const int kIsolateRootsOffset =
       kAmountOfExternalAllocatedMemoryAtLastGlobalGCOffset + kApiInt64Size +
       kApiPointerSize;
-  static const int kUndefinedValueRootIndex = 4;
-  static const int kTheHoleValueRootIndex = 5;
-  static const int kNullValueRootIndex = 6;
-  static const int kTrueValueRootIndex = 7;
-  static const int kFalseValueRootIndex = 8;
-  static const int kEmptyStringRootIndex = 9;
+  static const int kUndefinedValueRootIndex = 5;
+  static const int kNullValueRootIndex = 7;
+  static const int kTrueValueRootIndex = 8;
+  static const int kFalseValueRootIndex = 9;
+  static const int kEmptyStringRootIndex = 10;
+  static const int kTheHoleValueRootIndex = 11;
 
   // The external allocation limit should be below 256 MB on all architectures
   // to avoid that resource-constrained embedders run low on memory.
@@ -7370,7 +7370,7 @@ class Internals {
   static const int kNodeIsPartiallyDependentShift = 4;
   static const int kNodeIsActiveShift = 4;
 
-  static const int kJSObjectType = 0xb8;
+  static const int kJSObjectType = 0xb5;
   static const int kFirstNonstringType = 0x80;
   static const int kOddballType = 0x83;
   static const int kForeignType = 0x87;
diff --git a/deps/v8/src/api.cc b/deps/v8/src/api.cc
index 5d326981cd..dc954d3f14 100644
--- a/deps/v8/src/api.cc
+++ b/deps/v8/src/api.cc
@@ -5526,8 +5526,8 @@ HeapStatistics::HeapStatistics()
       total_available_size_(0),
       used_heap_size_(0),
       heap_size_limit_(0),
-      malloced_memory_(0),
-      does_zap_garbage_(0) {}
+      does_zap_garbage_(0),
+      malloced_memory_(0) {}
 
 HeapSpaceStatistics::HeapSpaceStatistics(): space_name_(0),
                                             space_size_(0),
diff --git a/deps/v8/src/builtins.cc b/deps/v8/src/builtins.cc
index 9c3ff5956b..1ad19946cb 100644
--- a/deps/v8/src/builtins.cc
+++ b/deps/v8/src/builtins.cc
@@ -223,7 +223,8 @@ inline bool PrototypeHasNoElements(Isolate* isolate, JSObject* object) {
   HeapObject* empty = isolate->heap()->empty_fixed_array();
   while (prototype != null) {
     Map* map = prototype->map();
-    if (map->instance_type() <= LAST_CUSTOM_ELEMENTS_RECEIVER) return false;
+    if (map->instance_type() <= LAST_CUSTOM_ELEMENTS_RECEIVER ||
+        map->instance_type() == JS_GLOBAL_PROXY_TYPE) return false;
     if (JSObject::cast(prototype)->elements() != empty) return false;
     prototype = HeapObject::cast(map->prototype());
   }
@@ -237,6 +238,7 @@ inline bool IsJSArrayFastElementMovingAllowed(Isolate* isolate,
 
 inline bool HasSimpleElements(JSObject* current) {
   return current->map()->instance_type() > LAST_CUSTOM_ELEMENTS_RECEIVER &&
+         current->map()->instance_type() != JS_GLOBAL_PROXY_TYPE &&
          !current->GetElementsAccessor()->HasAccessors(current);
 }
 
@@ -421,9 +423,13 @@ void Builtins::Generate_ObjectHasOwnProperty(
 
   {
     Label if_objectissimple(assembler);
-    assembler->Branch(assembler->Int32LessThanOrEqual(
-                          instance_type,
-                          assembler->Int32Constant(LAST_SPECIAL_RECEIVER_TYPE)),
+    assembler->Branch(assembler->Word32Or(
+                          assembler->Int32LessThanOrEqual(
+                              instance_type, assembler->Int32Constant(
+                                             LAST_SPECIAL_RECEIVER_TYPE)),
+                          assembler->Word32Equal(
+                              instance_type, assembler->Int32Constant(
+                                             JS_GLOBAL_PROXY_TYPE))),
                       &call_runtime, &if_objectissimple);
     assembler->Bind(&if_objectissimple);
   }
@@ -481,9 +487,13 @@ void Builtins::Generate_ObjectHasOwnProperty(
   assembler->Bind(&keyisindex);
   {
     Label if_objectissimple(assembler);
-    assembler->Branch(assembler->Int32LessThanOrEqual(
-                          instance_type, assembler->Int32Constant(
+    assembler->Branch(assembler->Word32Or(
+                          assembler->Int32LessThanOrEqual(
+                              instance_type, assembler->Int32Constant(
                                              LAST_CUSTOM_ELEMENTS_RECEIVER)),
+                          assembler->Word32Equal(
+                              instance_type, assembler->Int32Constant(
+                                             JS_GLOBAL_PROXY_TYPE))),
                       &call_runtime, &if_objectissimple);
     assembler->Bind(&if_objectissimple);
   }
diff --git a/deps/v8/src/code-stubs-hydrogen.cc b/deps/v8/src/code-stubs-hydrogen.cc
index 1d2fb811fb..c08be58945 100644
--- a/deps/v8/src/code-stubs-hydrogen.cc
+++ b/deps/v8/src/code-stubs-hydrogen.cc
@@ -923,6 +923,9 @@ HValue* CodeStubGraphBuilder<FastArrayPushStub>::BuildCodeStub() {
     check_instance_type.If<HCompareNumericAndBranch>(
         instance_type, Add<HConstant>(LAST_CUSTOM_ELEMENTS_RECEIVER),
         Token::LTE);
+    check_instance_type.Or();
+    check_instance_type.If<HCompareNumericAndBranch>(
+        instance_type, Add<HConstant>(JS_GLOBAL_PROXY_TYPE), Token::EQ);
     check_instance_type.ThenDeopt(Deoptimizer::kFastArrayPushFailed);
     check_instance_type.End();
 
diff --git a/deps/v8/src/d8.cc b/deps/v8/src/d8.cc
index 06883803f9..967d1e4fd4 100644
--- a/deps/v8/src/d8.cc
+++ b/deps/v8/src/d8.cc
@@ -133,7 +133,7 @@ class PredictablePlatform : public Platform {
   }
 
   uint64_t AddTraceEvent(char phase, const uint8_t* categoryEnabledFlag,
-                         const char* name, const char* scope, uint64_t id,
+                         const char* name, uint64_t id,
                          uint64_t bind_id, int numArgs, const char** argNames,
                          const uint8_t* argTypes, const uint64_t* argValues,
                          unsigned int flags) override {
diff --git a/deps/v8/src/heap/heap.h b/deps/v8/src/heap/heap.h
index 77c10b24d2..bbe1f05e4f 100644
--- a/deps/v8/src/heap/heap.h
+++ b/deps/v8/src/heap/heap.h
@@ -33,14 +33,14 @@ using v8::MemoryPressureLevel;
   V(Map, one_pointer_filler_map, OnePointerFillerMap)                          \
   V(Map, two_pointer_filler_map, TwoPointerFillerMap)                          \
   /* Cluster the most popular ones in a few cache lines here at the top.    */ \
+  V(Oddball, uninitialized_value, UninitializedValue)                          \
   V(Oddball, undefined_value, UndefinedValue)                                  \
-  V(Oddball, the_hole_value, TheHoleValue)                                     \
+  V(Map, cell_map, CellMap)                                                    \
   V(Oddball, null_value, NullValue)                                            \
   V(Oddball, true_value, TrueValue)                                            \
   V(Oddball, false_value, FalseValue)                                          \
   V(String, empty_string, empty_string)                                        \
-  V(Oddball, uninitialized_value, UninitializedValue)                          \
-  V(Map, cell_map, CellMap)                                                    \
+  V(Oddball, the_hole_value, TheHoleValue)                                     \
   V(Map, global_property_cell_map, GlobalPropertyCellMap)                      \
   V(Map, shared_function_info_map, SharedFunctionInfoMap)                      \
   V(Map, meta_map, MetaMap)                                                    \
diff --git a/deps/v8/src/keys.cc b/deps/v8/src/keys.cc
index f8b606ca4b..8645681692 100644
--- a/deps/v8/src/keys.cc
+++ b/deps/v8/src/keys.cc
@@ -406,7 +406,8 @@ MaybeHandle<FixedArray> GetOwnKeysWithUninitializedEnumCache(
 }
 
 bool OnlyHasSimpleProperties(Map* map) {
-  return map->instance_type() > LAST_CUSTOM_ELEMENTS_RECEIVER;
+  return map->instance_type() > LAST_CUSTOM_ELEMENTS_RECEIVER &&
+    map->instance_type() != JS_GLOBAL_PROXY_TYPE;
 }
 
 }  // namespace
diff --git a/deps/v8/src/libplatform/default-platform.cc b/deps/v8/src/libplatform/default-platform.cc
index 71ee6bee98..6035c9d91e 100644
--- a/deps/v8/src/libplatform/default-platform.cc
+++ b/deps/v8/src/libplatform/default-platform.cc
@@ -170,7 +170,7 @@ double DefaultPlatform::MonotonicallyIncreasingTime() {
 
 uint64_t DefaultPlatform::AddTraceEvent(
     char phase, const uint8_t* category_enabled_flag, const char* name,
-    const char* scope, uint64_t id, uint64_t bind_id, int num_args,
+    uint64_t id, uint64_t bind_id, int num_args,
     const char** arg_names, const uint8_t* arg_types,
     const uint64_t* arg_values, unsigned int flags) {
   return 0;
diff --git a/deps/v8/src/libplatform/default-platform.h b/deps/v8/src/libplatform/default-platform.h
index ea39abc28b..fe214c6963 100644
--- a/deps/v8/src/libplatform/default-platform.h
+++ b/deps/v8/src/libplatform/default-platform.h
@@ -47,7 +47,7 @@ class DefaultPlatform : public Platform {
   const char* GetCategoryGroupName(
       const uint8_t* category_enabled_flag) override;
   uint64_t AddTraceEvent(char phase, const uint8_t* category_enabled_flag,
-                         const char* name, const char* scope, uint64_t id,
+                         const char* name, uint64_t id,
                          uint64_t bind_id, int32_t num_args,
                          const char** arg_names, const uint8_t* arg_types,
                          const uint64_t* arg_values,
diff --git a/deps/v8/src/lookup.cc b/deps/v8/src/lookup.cc
index 3df8752c01..713ea06948 100644
--- a/deps/v8/src/lookup.cc
+++ b/deps/v8/src/lookup.cc
@@ -74,7 +74,8 @@ void LookupIterator::Next() {
   JSReceiver* holder = *holder_;
   Map* map = holder->map();
 
-  if (map->instance_type() <= LAST_SPECIAL_RECEIVER_TYPE) {
+  if (map->instance_type() <= LAST_SPECIAL_RECEIVER_TYPE ||
+      map->instance_type() == JS_GLOBAL_PROXY_TYPE) {
     state_ = IsElement() ? LookupInSpecialHolder<true>(map, holder)
                          : LookupInSpecialHolder<false>(map, holder);
     if (IsFound()) return;
diff --git a/deps/v8/src/lookup.h b/deps/v8/src/lookup.h
index 8005f32eb9..abd073284d 100644
--- a/deps/v8/src/lookup.h
+++ b/deps/v8/src/lookup.h
@@ -289,7 +289,8 @@ class LookupIterator final BASE_EMBEDDED {
   void NextInternal(Map* map, JSReceiver* holder);
   template <bool is_element>
   inline State LookupInHolder(Map* map, JSReceiver* holder) {
-    return map->instance_type() <= LAST_SPECIAL_RECEIVER_TYPE
+    return (map->instance_type() <= LAST_SPECIAL_RECEIVER_TYPE ||
+            map->instance_type() == JS_GLOBAL_PROXY_TYPE)
                ? LookupInSpecialHolder<is_element>(map, holder)
                : LookupInRegularHolder<is_element>(map, holder);
   }
diff --git a/deps/v8/src/objects.cc b/deps/v8/src/objects.cc
index 74b5d85aa2..6dec886a19 100644
--- a/deps/v8/src/objects.cc
+++ b/deps/v8/src/objects.cc
@@ -8411,7 +8411,8 @@ bool Map::OnlyHasSimpleProperties() {
   // Wrapped string elements aren't explicitly stored in the elements backing
   // store, but are loaded indirectly from the underlying string.
   return !IsStringWrapperElementsKind(elements_kind()) &&
-         instance_type() > LAST_SPECIAL_RECEIVER_TYPE &&
+         (instance_type() > LAST_SPECIAL_RECEIVER_TYPE &&
+         instance_type() != JS_GLOBAL_PROXY_TYPE) &&
          !has_hidden_prototype() && !is_dictionary_map();
 }
 
diff --git a/deps/v8/src/objects.h b/deps/v8/src/objects.h
index e441546180..c825b42d84 100644
--- a/deps/v8/src/objects.h
+++ b/deps/v8/src/objects.h
@@ -707,13 +707,13 @@ enum InstanceType {
   // compares for checking the JS_RECEIVER and the NONCALLABLE_JS_OBJECT range.
   JS_PROXY_TYPE,          // FIRST_JS_RECEIVER_TYPE
   JS_GLOBAL_OBJECT_TYPE,  // FIRST_JS_OBJECT_TYPE
-  JS_GLOBAL_PROXY_TYPE,
   // Like JS_OBJECT_TYPE, but requires access checks and/or has interceptors.
   JS_SPECIAL_API_OBJECT_TYPE,  // LAST_SPECIAL_RECEIVER_TYPE
   JS_VALUE_TYPE,               // LAST_CUSTOM_ELEMENTS_RECEIVER
+  JS_OBJECT_TYPE,
+  JS_GLOBAL_PROXY_TYPE,
   JS_MESSAGE_OBJECT_TYPE,
   JS_DATE_TYPE,
-  JS_OBJECT_TYPE,
   JS_CONTEXT_EXTENSION_OBJECT_TYPE,
   JS_GENERATOR_OBJECT_TYPE,
   JS_MODULE_TYPE,
@@ -9638,9 +9638,9 @@ class Oddball: public HeapObject {
   static const int kToStringOffset = HeapObject::kHeaderSize;
   static const int kToNumberOffset = kToStringOffset + kPointerSize;
   static const int kToBooleanOffset = kToNumberOffset + kPointerSize;
-  static const int kTypeOfOffset = kToBooleanOffset + kPointerSize;
-  static const int kKindOffset = kTypeOfOffset + kPointerSize;
-  static const int kSize = kKindOffset + kPointerSize;
+  static const int kKindOffset = kToBooleanOffset + kPointerSize;
+  static const int kTypeOfOffset = kKindOffset + kPointerSize;
+  static const int kSize = kTypeOfOffset + kPointerSize;
 
   static const byte kFalse = 0;
   static const byte kTrue = 1;
diff --git a/deps/v8/src/tracing/trace-event.h b/deps/v8/src/tracing/trace-event.h
index 2b3bf9bf92..246ddd3aba 100644
--- a/deps/v8/src/tracing/trace-event.h
+++ b/deps/v8/src/tracing/trace-event.h
@@ -478,7 +478,7 @@ static V8_INLINE uint64_t AddTraceEvent(char phase,
                                         uint64_t id, uint64_t bind_id,
                                         unsigned int flags) {
   return TRACE_EVENT_API_ADD_TRACE_EVENT(phase, category_group_enabled, name,
-                                         scope, id, bind_id, kZeroNumArgs, NULL,
+                                         id, bind_id, kZeroNumArgs, NULL,
                                          NULL, NULL, flags);
 }
 
@@ -492,7 +492,7 @@ static V8_INLINE uint64_t AddTraceEvent(
   uint64_t arg_values[1];
   SetTraceValue(arg1_val, &arg_types[0], &arg_values[0]);
   return TRACE_EVENT_API_ADD_TRACE_EVENT(
-      phase, category_group_enabled, name, scope, id, bind_id, num_args,
+      phase, category_group_enabled, name, id, bind_id, num_args,
       &arg1_name, arg_types, arg_values, flags);
 }
 
@@ -509,7 +509,7 @@ static V8_INLINE uint64_t AddTraceEvent(
   SetTraceValue(arg1_val, &arg_types[0], &arg_values[0]);
   SetTraceValue(arg2_val, &arg_types[1], &arg_values[1]);
   return TRACE_EVENT_API_ADD_TRACE_EVENT(
-      phase, category_group_enabled, name, scope, id, bind_id, num_args,
+      phase, category_group_enabled, name, id, bind_id, num_args,
       arg_names, arg_types, arg_values, flags);
 }
 
diff --git a/deps/v8/test/cctest/heap/test-incremental-marking.cc b/deps/v8/test/cctest/heap/test-incremental-marking.cc
index 74cbf2cb34..765ae53afb 100644
--- a/deps/v8/test/cctest/heap/test-incremental-marking.cc
+++ b/deps/v8/test/cctest/heap/test-incremental-marking.cc
@@ -86,7 +86,7 @@ class MockPlatform : public v8::Platform {
   }
 
   uint64_t AddTraceEvent(char phase, const uint8_t* categoryEnabledFlag,
-                         const char* name, const char* scope, uint64_t id,
+                         const char* name, uint64_t id,
                          uint64_t bind_id, int numArgs, const char** argNames,
                          const uint8_t* argTypes, const uint64_t* argValues,
                          unsigned int flags) override {
diff --git a/deps/v8/test/cctest/test-trace-event.cc b/deps/v8/test/cctest/test-trace-event.cc
index 190cb40782..4678147931 100644
--- a/deps/v8/test/cctest/test-trace-event.cc
+++ b/deps/v8/test/cctest/test-trace-event.cc
@@ -72,7 +72,7 @@ class MockTracingPlatform : public v8::Platform {
   void PerformDelayedTask() {}
 
   uint64_t AddTraceEvent(char phase, const uint8_t* category_enabled_flag,
-                         const char* name, const char* scope, uint64_t id,
+                         const char* name, uint64_t id,
                          uint64_t bind_id, int num_args, const char** arg_names,
                          const uint8_t* arg_types, const uint64_t* arg_values,
                          unsigned int flags) override {