deps: update V8 to 9.2.230.21

PR-URL: https://github.com/nodejs/node/pull/38990
Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Robert Nagy <ronagy@icloud.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>

1 files changed, 233 insertions, 118 deletions

diff --git a/deps/v8/BUILD.gn b/deps/v8/BUILD.gn
index d2bfb6129d..5e3045bfdc 100644
--- a/deps/v8/BUILD.gn
+++ b/deps/v8/BUILD.gn
@@ -41,7 +41,7 @@ declare_args() {
   v8_enable_future = false
 
   # Sets -DSYSTEM_INSTRUMENTATION. Enables OS-dependent event tracing
-  v8_enable_system_instrumentation = true
+  v8_enable_system_instrumentation = is_win || is_mac
 
   # Sets the GUID for the ETW provider
   v8_etw_guid = ""
@@ -95,8 +95,19 @@ declare_args() {
   v8_win64_unwinding_info = true
 
   # Enable code comments for builtins in the snapshot (impacts performance).
+  # This also enables v8_code_comments.
   v8_enable_snapshot_code_comments = false
 
+  # Allow runtime-enabled code comments (with --code-comments). Enabled by
+  # default in debug builds.
+  # Sets -dV8_CODE_COMMENTS
+  v8_code_comments = ""
+
+  # Allow runtime-enabled debug code (with --debug-code). Enabled by default in
+  # debug builds.
+  # Sets -dV8_ENABLE_DEBUG_CODE
+  v8_enable_debug_code = ""
+
   # Enable native counters from the snapshot (impacts performance, sets
   # -dV8_SNAPSHOT_NATIVE_CODE_COUNTERS).
   # This option will generate extra code in the snapshot to increment counters,
@@ -200,10 +211,6 @@ declare_args() {
                       (is_linux || is_chromeos || is_mac)) ||
                      (v8_current_cpu == "ppc64" && (is_linux || is_chromeos))
 
-  # Temporary flag to allow embedders to update their microtasks scopes
-  # while rolling in a new version of V8.
-  v8_check_microtasks_scopes_consistency = ""
-
   # Enable mitigations for executing untrusted code.
   # Disabled by default on ia32 due to conflicting requirements with embedded
   # builtins. Enabled by default on Android since it doesn't support
@@ -272,6 +279,10 @@ declare_args() {
   # Enable heap reservation of size 4GB. Only possible for 64bit archs.
   cppgc_enable_caged_heap = v8_current_cpu == "x64" || v8_current_cpu == "arm64"
 
+  # Enable verification of live bytes in the marking verifier.
+  # TODO(v8:11785): Enable by default when running with the verifier.
+  cppgc_enable_verify_live_bytes = false
+
   # Enable young generation in cppgc.
   cppgc_enable_young_generation = false
 
@@ -300,6 +311,12 @@ declare_args() {
   # meaning that they are not switched to fast mode.
   # Sets -DV8_DICT_PROPERTY_CONST_TRACKING
   v8_dict_property_const_tracking = false
+
+  # Enable map packing & unpacking (sets -dV8_MAP_PACKING).
+  v8_enable_map_packing = false
+
+  # Allow for JS promise hooks (instead of just C++).
+  v8_allow_javascript_in_promise_hooks = false
 }
 
 # Derived defaults.
@@ -321,9 +338,15 @@ if (v8_enable_test_features == "") {
 if (v8_enable_v8_checks == "") {
   v8_enable_v8_checks = v8_enable_debugging_features
 }
-if (v8_check_microtasks_scopes_consistency == "") {
-  v8_check_microtasks_scopes_consistency =
-      v8_enable_debugging_features || dcheck_always_on
+if (v8_enable_snapshot_code_comments) {
+  assert(v8_code_comments == true || v8_code_comments == "",
+         "v8_enable_snapshot_code_comments conflicts with v8_code_comments.")
+  v8_code_comments = true
+} else if (v8_code_comments == "") {
+  v8_code_comments = v8_enable_debugging_features
+}
+if (v8_enable_debug_code == "") {
+  v8_enable_debug_code = v8_enable_debugging_features
 }
 if (v8_enable_snapshot_native_code_counters == "") {
   v8_enable_snapshot_native_code_counters = v8_enable_debugging_features
@@ -333,7 +356,7 @@ if (v8_enable_pointer_compression == "") {
       v8_current_cpu == "arm64" || v8_current_cpu == "x64"
 }
 if (v8_enable_pointer_compression_shared_cage == "") {
-  v8_enable_pointer_compression_shared_cage = false
+  v8_enable_pointer_compression_shared_cage = v8_enable_pointer_compression
 }
 if (v8_enable_fast_torque == "") {
   v8_enable_fast_torque = v8_enable_fast_mksnapshot
@@ -357,6 +380,13 @@ if (v8_enable_atomic_object_field_writes == "") {
 if (v8_enable_atomic_marking_state == "") {
   v8_enable_atomic_marking_state = v8_enable_concurrent_marking
 }
+if (v8_enable_third_party_heap) {
+  v8_disable_write_barriers = true
+  v8_enable_single_generation = true
+  v8_enable_shared_ro_heap = false
+  v8_enable_pointer_compression = false
+  v8_enable_pointer_compression_shared_cage = false
+}
 assert(!v8_enable_concurrent_marking || v8_enable_atomic_object_field_writes,
        "Concurrent marking requires atomic object field writes.")
 assert(!v8_enable_concurrent_marking || v8_enable_atomic_marking_state,
@@ -386,7 +416,8 @@ if (v8_enable_short_builtin_calls &&
   v8_enable_short_builtin_calls = false
 }
 if (v8_enable_shared_ro_heap == "") {
-  v8_enable_shared_ro_heap = !v8_enable_pointer_compression
+  v8_enable_shared_ro_heap = !v8_enable_pointer_compression ||
+                             v8_enable_pointer_compression_shared_cage
 }
 
 assert(!v8_disable_write_barriers || v8_enable_single_generation,
@@ -398,15 +429,18 @@ assert(v8_current_cpu != "x86" || !v8_untrusted_code_mitigations,
 assert(v8_current_cpu == "arm64" || !v8_control_flow_integrity,
        "Control-flow integrity is only supported on arm64")
 
-if (v8_enable_shared_ro_heap && v8_enable_pointer_compression) {
+if (v8_enable_shared_ro_heap && v8_enable_pointer_compression &&
+    !v8_enable_pointer_compression_shared_cage) {
   assert(
       is_linux || is_chromeos || is_android,
       "Sharing read-only heap with pointer compression is only supported on Linux or Android")
 }
 
-assert(
-    !v8_enable_pointer_compression_shared_cage || !v8_enable_shared_ro_heap,
-    "Sharing read-only heap is not yet supported when sharing a pointer compression cage")
+assert(!v8_enable_map_packing || !v8_enable_pointer_compression,
+       "Map packing does not support pointer compression")
+
+assert(!v8_enable_map_packing || v8_current_cpu == "x64",
+       "Map packing is only supported on x64")
 
 assert(!v8_use_multi_snapshots || !v8_control_flow_integrity,
        "Control-flow integrity does not support multisnapshots")
@@ -418,6 +452,10 @@ assert(
     !v8_enable_pointer_compression_shared_cage || v8_enable_pointer_compression,
     "Can't share a pointer compression cage if pointers aren't compressed")
 
+assert(!v8_enable_pointer_compression_shared_cage || v8_current_cpu == "x64" ||
+           v8_current_cpu == "arm64",
+       "Sharing a pointer compression cage is only supported on x64 and arm64")
+
 assert(!v8_enable_unconditional_write_barriers || !v8_disable_write_barriers,
        "Write barriers can't be both enabled and disabled")
 
@@ -566,6 +604,7 @@ external_v8_defines = [
   "V8_IMMINENT_DEPRECATION_WARNINGS",
   "V8_NO_ARGUMENTS_ADAPTOR",
   "V8_USE_PERFETTO",
+  "V8_MAP_PACKING",
 ]
 
 enabled_external_v8_defines = []
@@ -575,11 +614,11 @@ if (v8_enable_v8_checks) {
 }
 if (v8_enable_pointer_compression) {
   enabled_external_v8_defines += [ "V8_COMPRESS_POINTERS" ]
-}
-if (v8_enable_pointer_compression_shared_cage) {
-  enabled_external_v8_defines += [ "V8_COMPRESS_POINTERS_IN_SHARED_CAGE" ]
-} else if (v8_enable_pointer_compression) {
-  enabled_external_v8_defines += [ "V8_COMPRESS_POINTERS_IN_ISOLATE_CAGE" ]
+  if (v8_enable_pointer_compression_shared_cage) {
+    enabled_external_v8_defines += [ "V8_COMPRESS_POINTERS_IN_SHARED_CAGE" ]
+  } else {
+    enabled_external_v8_defines += [ "V8_COMPRESS_POINTERS_IN_ISOLATE_CAGE" ]
+  }
 }
 if (v8_enable_pointer_compression || v8_enable_31bit_smis_on_64bit_arch) {
   enabled_external_v8_defines += [ "V8_31BIT_SMIS_ON_64BIT_ARCH" ]
@@ -599,6 +638,9 @@ if (v8_imminent_deprecation_warnings) {
 if (v8_use_perfetto) {
   enabled_external_v8_defines += [ "V8_USE_PERFETTO" ]
 }
+if (v8_enable_map_packing) {
+  enabled_external_v8_defines += [ "V8_MAP_PACKING" ]
+}
 
 disabled_external_v8_defines = external_v8_defines - enabled_external_v8_defines
 
@@ -665,6 +707,10 @@ config("features") {
     ":cppgc_header_features",
   ]
 
+  if (cppgc_enable_verify_live_bytes) {
+    defines += [ "CPPGC_VERIFY_LIVE_BYTES" ]
+  }
+
   if (v8_embedder_string != "") {
     defines += [ "V8_EMBEDDER_STRING=\"$v8_embedder_string\"" ]
   }
@@ -729,6 +775,12 @@ config("features") {
   if (v8_enable_handle_zapping) {
     defines += [ "ENABLE_HANDLE_ZAPPING" ]
   }
+  if (v8_code_comments == true) {
+    defines += [ "V8_CODE_COMMENTS" ]
+  }
+  if (v8_enable_debug_code) {
+    defines += [ "V8_ENABLE_DEBUG_CODE" ]
+  }
   if (v8_enable_snapshot_native_code_counters) {
     defines += [ "V8_SNAPSHOT_NATIVE_CODE_COUNTERS" ]
   }
@@ -756,9 +808,6 @@ config("features") {
   if (v8_enable_lazy_source_positions) {
     defines += [ "V8_ENABLE_LAZY_SOURCE_POSITIONS" ]
   }
-  if (v8_check_microtasks_scopes_consistency) {
-    defines += [ "V8_CHECK_MICROTASKS_SCOPES_CONSISTENCY" ]
-  }
   if (v8_use_multi_snapshots) {
     defines += [ "V8_MULTI_SNAPSHOTS" ]
   }
@@ -807,6 +856,9 @@ config("features") {
   if (v8_dict_property_const_tracking) {
     defines += [ "V8_DICT_PROPERTY_CONST_TRACKING" ]
   }
+  if (v8_allow_javascript_in_promise_hooks) {
+    defines += [ "V8_ALLOW_JAVASCRIPT_IN_PROMISE_HOOKS" ]
+  }
 }
 
 config("toolchain") {
@@ -1038,6 +1090,10 @@ config("toolchain") {
     defines += [ "ENABLE_VERIFY_CSA" ]
   }
 
+  if (v8_enable_runtime_call_stats) {
+    defines += [ "V8_RUNTIME_CALL_STATS" ]
+  }
+
   if (!v8_untrusted_code_mitigations) {
     defines += [ "DISABLE_UNTRUSTED_CODE_MITIGATIONS" ]
   }
@@ -1244,6 +1300,8 @@ action("postmortem-metadata") {
     "src/objects/map.cc",
     "src/objects/map.h",
     "src/objects/map-inl.h",
+    "src/objects/megadom-handler.h",
+    "src/objects/megadom-handler-inl.h",
     "src/objects/name.h",
     "src/objects/name-inl.h",
     "src/objects/objects.h",
@@ -1432,6 +1490,7 @@ torque_files = [
   "src/objects/js-weak-refs.tq",
   "src/objects/literal-objects.tq",
   "src/objects/map.tq",
+  "src/objects/megadom-handler.tq",
   "src/objects/microtask.tq",
   "src/objects/module.tq",
   "src/objects/name.tq",
@@ -1515,44 +1574,37 @@ template("run_torque") {
 
     destination_folder = "$target_gen_dir/torque-generated$suffix"
 
-    files = [
-      "$target_gen_dir/torque-generated/bit-fields.h",
-      "$target_gen_dir/torque-generated/builtin-definitions.h",
-      "$target_gen_dir/torque-generated/class-debug-readers.cc",
-      "$target_gen_dir/torque-generated/class-debug-readers.h",
-      "$target_gen_dir/torque-generated/class-forward-declarations.h",
-      "$target_gen_dir/torque-generated/class-verifiers.cc",
-      "$target_gen_dir/torque-generated/class-verifiers.h",
-      "$target_gen_dir/torque-generated/csa-types.h",
-      "$target_gen_dir/torque-generated/debug-macros.cc",
-      "$target_gen_dir/torque-generated/debug-macros.h",
-      "$target_gen_dir/torque-generated/enum-verifiers.cc",
-      "$target_gen_dir/torque-generated/exported-macros-assembler.cc",
-      "$target_gen_dir/torque-generated/exported-macros-assembler.h",
-      "$target_gen_dir/torque-generated/factory.cc",
-      "$target_gen_dir/torque-generated/factory.inc",
-      "$target_gen_dir/torque-generated/field-offsets.h",
-      "$target_gen_dir/torque-generated/instance-types.h",
-      "$target_gen_dir/torque-generated/interface-descriptors.inc",
-      "$target_gen_dir/torque-generated/objects-body-descriptors-inl.inc",
-      "$target_gen_dir/torque-generated/objects-printer.cc",
+    outputs = [
+      "$destination_folder/bit-fields.h",
+      "$destination_folder/builtin-definitions.h",
+      "$destination_folder/class-debug-readers.cc",
+      "$destination_folder/class-debug-readers.h",
+      "$destination_folder/class-forward-declarations.h",
+      "$destination_folder/class-verifiers.cc",
+      "$destination_folder/class-verifiers.h",
+      "$destination_folder/csa-types.h",
+      "$destination_folder/debug-macros.cc",
+      "$destination_folder/debug-macros.h",
+      "$destination_folder/enum-verifiers.cc",
+      "$destination_folder/exported-macros-assembler.cc",
+      "$destination_folder/exported-macros-assembler.h",
+      "$destination_folder/factory.cc",
+      "$destination_folder/factory.inc",
+      "$destination_folder/field-offsets.h",
+      "$destination_folder/instance-types.h",
+      "$destination_folder/interface-descriptors.inc",
+      "$destination_folder/objects-body-descriptors-inl.inc",
+      "$destination_folder/objects-printer.cc",
     ]
 
-    outputs = []
-    foreach(file, files) {
-      outputs += [ string_replace(file,
-                                  "$target_gen_dir/torque-generated",
-                                  destination_folder) ]
-    }
-
     foreach(file, torque_files) {
       filetq = string_replace(file, ".tq", "-tq")
       outputs += [
-        "$target_gen_dir/torque-generated/$filetq-csa.cc",
-        "$target_gen_dir/torque-generated/$filetq-csa.h",
-        "$target_gen_dir/torque-generated/$filetq-inl.inc",
-        "$target_gen_dir/torque-generated/$filetq.cc",
-        "$target_gen_dir/torque-generated/$filetq.inc",
+        "$destination_folder/$filetq-csa.cc",
+        "$destination_folder/$filetq-csa.h",
+        "$destination_folder/$filetq-inl.inc",
+        "$destination_folder/$filetq.cc",
+        "$destination_folder/$filetq.inc",
       ]
     }
 
@@ -1892,11 +1944,16 @@ action("v8_dump_build_config") {
     "v8_enable_atomic_object_field_writes=" +
         "$v8_enable_atomic_object_field_writes",
     "v8_enable_concurrent_marking=$v8_enable_concurrent_marking",
+    "v8_enable_single_generation=$v8_enable_single_generation",
     "v8_enable_i18n_support=$v8_enable_i18n_support",
     "v8_enable_verify_predictable=$v8_enable_verify_predictable",
     "v8_enable_verify_csa=$v8_enable_verify_csa",
     "v8_enable_lite_mode=$v8_enable_lite_mode",
+    "v8_enable_runtime_call_stats=$v8_enable_runtime_call_stats",
     "v8_enable_pointer_compression=$v8_enable_pointer_compression",
+    "v8_enable_pointer_compression_shared_cage=" +
+        "$v8_enable_pointer_compression_shared_cage",
+    "v8_enable_third_party_heap=$v8_enable_third_party_heap",
     "v8_enable_webassembly=$v8_enable_webassembly",
     "v8_control_flow_integrity=$v8_control_flow_integrity",
     "v8_target_cpu=\"$v8_target_cpu\"",
@@ -1918,7 +1975,10 @@ action("v8_dump_build_config") {
 v8_source_set("v8_snapshot") {
   visibility = [ ":*" ]  # Targets in this file can depend on this.
 
-  deps = []
+  deps = [
+    ":v8_internal_headers",
+    ":v8_libbase",
+  ]
   public_deps = [
     # This should be public so downstream targets can declare the snapshot
     # output file as their inputs.
@@ -2000,7 +2060,6 @@ v8_source_set("v8_initializers") {
     "src/builtins/builtins-conversion-gen.cc",
     "src/builtins/builtins-data-view-gen.h",
     "src/builtins/builtins-date-gen.cc",
-    "src/builtins/builtins-debug-gen.cc",
     "src/builtins/builtins-generator-gen.cc",
     "src/builtins/builtins-global-gen.cc",
     "src/builtins/builtins-handler-gen.cc",
@@ -2226,9 +2285,8 @@ if (v8_generate_external_defines_header) {
 v8_header_set("v8_shared_internal_headers") {
   visibility = [
     ":*",
-    "test/cctest:*",
-    "test/unittests:*",
-    "tools/debug_helper/:*",
+    "test/*",
+    "tools/*",
   ]
   configs = [ ":internal_config" ]
 
@@ -2245,7 +2303,10 @@ v8_header_set("v8_shared_internal_headers") {
 }
 
 v8_header_set("v8_flags") {
-  visibility = [ ":*" ]
+  visibility = [
+    ":*",
+    "tools/*",
+  ]
 
   configs = [ ":internal_config" ]
 
@@ -2273,6 +2334,7 @@ v8_header_set("v8_internal_headers") {
     "src/api/api-arguments-inl.h",
     "src/api/api-arguments.h",
     "src/api/api-inl.h",
+    "src/api/api-macros-undef.h",
     "src/api/api-macros.h",
     "src/api/api-natives.h",
     "src/api/api.h",
@@ -2289,6 +2351,7 @@ v8_header_set("v8_internal_headers") {
     "src/baseline/baseline-assembler-inl.h",
     "src/baseline/baseline-assembler.h",
     "src/baseline/baseline-compiler.h",
+    "src/baseline/baseline-osr-inl.h",
     "src/baseline/baseline.h",
     "src/baseline/bytecode-offset-iterator.h",
     "src/builtins/accessors.h",
@@ -2321,6 +2384,7 @@ v8_header_set("v8_internal_headers") {
     "src/codegen/external-reference.h",
     "src/codegen/flush-instruction-cache.h",
     "src/codegen/handler-table.h",
+    "src/codegen/interface-descriptors-inl.h",
     "src/codegen/interface-descriptors.h",
     "src/codegen/label.h",
     "src/codegen/machine-type.h",
@@ -2382,6 +2446,7 @@ v8_header_set("v8_internal_headers") {
     "src/compiler/common-operator-reducer.h",
     "src/compiler/common-operator.h",
     "src/compiler/compilation-dependencies.h",
+    "src/compiler/compilation-dependency.h",
     "src/compiler/compiler-source-position-table.h",
     "src/compiler/constant-folding-reducer.h",
     "src/compiler/control-equivalence.h",
@@ -2448,18 +2513,17 @@ v8_header_set("v8_internal_headers") {
     "src/compiler/persistent-map.h",
     "src/compiler/pipeline-statistics.h",
     "src/compiler/pipeline.h",
+    "src/compiler/processed-feedback.h",
     "src/compiler/property-access-builder.h",
     "src/compiler/raw-machine-assembler.h",
     "src/compiler/redundancy-elimination.h",
     "src/compiler/refs-map.h",
     "src/compiler/representation-change.h",
     "src/compiler/schedule.h",
-    "src/compiler/scheduled-machine-lowering.h",
     "src/compiler/scheduler.h",
     "src/compiler/select-lowering.h",
     "src/compiler/serializer-for-background-compilation.h",
     "src/compiler/serializer-hints.h",
-    "src/compiler/simd-scalar-lowering.h",
     "src/compiler/simplified-lowering.h",
     "src/compiler/simplified-operator-reducer.h",
     "src/compiler/simplified-operator.h",
@@ -2517,6 +2581,7 @@ v8_header_set("v8_internal_headers") {
     "src/execution/interrupts-scope.h",
     "src/execution/isolate-data.h",
     "src/execution/isolate-inl.h",
+    "src/execution/isolate-utils-inl.h",
     "src/execution/isolate-utils.h",
     "src/execution/isolate.h",
     "src/execution/local-isolate-inl.h",
@@ -2557,6 +2622,7 @@ v8_header_set("v8_internal_headers") {
     "src/heap/base-space.h",
     "src/heap/basic-memory-chunk.h",
     "src/heap/code-object-registry.h",
+    "src/heap/code-range.h",
     "src/heap/code-stats.h",
     "src/heap/collection-barrier.h",
     "src/heap/combined-heap.h",
@@ -2592,11 +2658,13 @@ v8_header_set("v8_internal_headers") {
     "src/heap/list.h",
     "src/heap/local-allocator-inl.h",
     "src/heap/local-allocator.h",
+    "src/heap/local-factory-inl.h",
     "src/heap/local-factory.h",
     "src/heap/local-heap-inl.h",
     "src/heap/local-heap.h",
     "src/heap/mark-compact-inl.h",
     "src/heap/mark-compact.h",
+    "src/heap/marking-barrier-inl.h",
     "src/heap/marking-barrier.h",
     "src/heap/marking-visitor-inl.h",
     "src/heap/marking-visitor.h",
@@ -2679,13 +2747,13 @@ v8_header_set("v8_internal_headers") {
     "src/libsampler/sampler.h",
     "src/logging/code-events.h",
     "src/logging/counters-definitions.h",
-    "src/logging/counters-inl.h",
     "src/logging/counters.h",
     "src/logging/local-logger.h",
     "src/logging/log-inl.h",
     "src/logging/log-utils.h",
     "src/logging/log.h",
     "src/logging/metrics.h",
+    "src/logging/runtime-call-stats.h",
     "src/logging/tracing-flags.h",
     "src/numbers/bignum-dtoa.h",
     "src/numbers/bignum.h",
@@ -2766,6 +2834,7 @@ v8_header_set("v8_internal_headers") {
     "src/objects/js-array-inl.h",
     "src/objects/js-array.h",
     "src/objects/js-collection-inl.h",
+    "src/objects/js-collection-iterator-inl.h",
     "src/objects/js-collection-iterator.h",
     "src/objects/js-collection.h",
     "src/objects/js-function-inl.h",
@@ -2782,6 +2851,8 @@ v8_header_set("v8_internal_headers") {
     "src/objects/js-regexp-string-iterator-inl.h",
     "src/objects/js-regexp-string-iterator.h",
     "src/objects/js-regexp.h",
+    "src/objects/js-segments-inl.h",
+    "src/objects/js-segments.h",
     "src/objects/js-weak-refs-inl.h",
     "src/objects/js-weak-refs.h",
     "src/objects/keys.h",
@@ -2797,6 +2868,8 @@ v8_header_set("v8_internal_headers") {
     "src/objects/map.h",
     "src/objects/maybe-object-inl.h",
     "src/objects/maybe-object.h",
+    "src/objects/megadom-handler-inl.h",
+    "src/objects/megadom-handler.h",
     "src/objects/microtask-inl.h",
     "src/objects/microtask.h",
     "src/objects/module-inl.h",
@@ -2831,6 +2904,7 @@ v8_header_set("v8_internal_headers") {
     "src/objects/property.h",
     "src/objects/prototype-info-inl.h",
     "src/objects/prototype-info.h",
+    "src/objects/prototype-inl.h",
     "src/objects/prototype.h",
     "src/objects/regexp-match-info.h",
     "src/objects/scope-info-inl.h",
@@ -2842,6 +2916,7 @@ v8_header_set("v8_internal_headers") {
     "src/objects/slots-atomic-inl.h",
     "src/objects/slots-inl.h",
     "src/objects/slots.h",
+    "src/objects/source-text-module-inl.h",
     "src/objects/source-text-module.h",
     "src/objects/stack-frame-info-inl.h",
     "src/objects/stack-frame-info.h",
@@ -2880,6 +2955,7 @@ v8_header_set("v8_internal_headers") {
     "src/parsing/expression-scope.h",
     "src/parsing/func-name-inferrer.h",
     "src/parsing/import-assertions.h",
+    "src/parsing/keywords-gen.h",
     "src/parsing/literal-buffer.h",
     "src/parsing/parse-info.h",
     "src/parsing/parser-base.h",
@@ -2892,6 +2968,7 @@ v8_header_set("v8_internal_headers") {
     "src/parsing/preparser.h",
     "src/parsing/rewriter.h",
     "src/parsing/scanner-character-streams.h",
+    "src/parsing/scanner-inl.h",
     "src/parsing/scanner.h",
     "src/parsing/token.h",
     "src/profiler/allocation-tracker.h",
@@ -2939,10 +3016,6 @@ v8_header_set("v8_internal_headers") {
     "src/roots/roots.h",
     "src/runtime/runtime-utils.h",
     "src/runtime/runtime.h",
-    "src/sanitizer/asan.h",
-    "src/sanitizer/lsan-page-allocator.h",
-    "src/sanitizer/msan.h",
-    "src/sanitizer/tsan.h",
     "src/snapshot/code-serializer.h",
     "src/snapshot/context-deserializer.h",
     "src/snapshot/context-serializer.h",
@@ -2980,6 +3053,7 @@ v8_header_set("v8_internal_headers") {
     "src/tasks/task-utils.h",
     "src/third_party/siphash/halfsiphash.h",
     "src/third_party/utf8-decoder/utf8-decoder.h",
+    "src/torque/runtime-macro-shims.h",
     "src/tracing/trace-event.h",
     "src/tracing/traced-value.h",
     "src/tracing/tracing-category-observer.h",
@@ -3046,6 +3120,7 @@ v8_header_set("v8_internal_headers") {
       "src/wasm/jump-table-assembler.h",
       "src/wasm/leb-helper.h",
       "src/wasm/local-decl-encoder.h",
+      "src/wasm/memory-protection-key.h",
       "src/wasm/memory-tracing.h",
       "src/wasm/module-compiler.h",
       "src/wasm/module-decoder.h",
@@ -3063,6 +3138,7 @@ v8_header_set("v8_internal_headers") {
       "src/wasm/wasm-feature-flags.h",
       "src/wasm/wasm-features.h",
       "src/wasm/wasm-import-wrapper-cache.h",
+      "src/wasm/wasm-init-expr.h",
       "src/wasm/wasm-js.h",
       "src/wasm/wasm-linkage.h",
       "src/wasm/wasm-module-builder.h",
@@ -3070,6 +3146,7 @@ v8_header_set("v8_internal_headers") {
       "src/wasm/wasm-module.h",
       "src/wasm/wasm-objects-inl.h",
       "src/wasm/wasm-objects.h",
+      "src/wasm/wasm-opcodes-inl.h",
       "src/wasm/wasm-opcodes.h",
       "src/wasm/wasm-result.h",
       "src/wasm/wasm-serialization.h",
@@ -3140,6 +3217,7 @@ v8_header_set("v8_internal_headers") {
       "src/codegen/ia32/assembler-ia32-inl.h",
       "src/codegen/ia32/assembler-ia32.h",
       "src/codegen/ia32/constants-ia32.h",
+      "src/codegen/ia32/interface-descriptors-ia32-inl.h",
       "src/codegen/ia32/macro-assembler-ia32.h",
       "src/codegen/ia32/register-ia32.h",
       "src/codegen/ia32/sse-instr.h",
@@ -3158,6 +3236,7 @@ v8_header_set("v8_internal_headers") {
       "src/codegen/x64/assembler-x64.h",
       "src/codegen/x64/constants-x64.h",
       "src/codegen/x64/fma-instr.h",
+      "src/codegen/x64/interface-descriptors-x64-inl.h",
       "src/codegen/x64/macro-assembler-x64.h",
       "src/codegen/x64/register-x64.h",
       "src/codegen/x64/sse-instr.h",
@@ -3187,6 +3266,7 @@ v8_header_set("v8_internal_headers") {
       "src/codegen/arm/assembler-arm-inl.h",
       "src/codegen/arm/assembler-arm.h",
       "src/codegen/arm/constants-arm.h",
+      "src/codegen/arm/interface-descriptors-arm-inl.h",
       "src/codegen/arm/macro-assembler-arm.h",
       "src/codegen/arm/register-arm.h",
       "src/compiler/backend/arm/instruction-codes-arm.h",
@@ -3206,6 +3286,7 @@ v8_header_set("v8_internal_headers") {
       "src/codegen/arm64/decoder-arm64-inl.h",
       "src/codegen/arm64/decoder-arm64.h",
       "src/codegen/arm64/instructions-arm64.h",
+      "src/codegen/arm64/interface-descriptors-arm64-inl.h",
       "src/codegen/arm64/macro-assembler-arm64-inl.h",
       "src/codegen/arm64/macro-assembler-arm64.h",
       "src/codegen/arm64/register-arm64.h",
@@ -3259,11 +3340,10 @@ v8_header_set("v8_internal_headers") {
     ]
   } else if (v8_current_cpu == "ppc") {
     sources += [  ### gcmole(arch:ppc) ###
-      "src/baseline/ppc/baseline-assembler-ppc-inl.h",
-      "src/baseline/ppc/baseline-compiler-ppc-inl.h",
       "src/codegen/ppc/assembler-ppc-inl.h",
       "src/codegen/ppc/assembler-ppc.h",
       "src/codegen/ppc/constants-ppc.h",
+      "src/codegen/ppc/interface-descriptors-ppc-inl.h",
       "src/codegen/ppc/macro-assembler-ppc.h",
       "src/codegen/ppc/register-ppc.h",
       "src/compiler/backend/ppc/instruction-codes-ppc.h",
@@ -3275,11 +3355,10 @@ v8_header_set("v8_internal_headers") {
     ]
   } else if (v8_current_cpu == "ppc64") {
     sources += [  ### gcmole(arch:ppc64) ###
-      "src/baseline/ppc/baseline-assembler-ppc-inl.h",
-      "src/baseline/ppc/baseline-compiler-ppc-inl.h",
       "src/codegen/ppc/assembler-ppc-inl.h",
       "src/codegen/ppc/assembler-ppc.h",
       "src/codegen/ppc/constants-ppc.h",
+      "src/codegen/ppc/interface-descriptors-ppc-inl.h",
       "src/codegen/ppc/macro-assembler-ppc.h",
       "src/codegen/ppc/register-ppc.h",
       "src/compiler/backend/ppc/instruction-codes-ppc.h",
@@ -3296,6 +3375,7 @@ v8_header_set("v8_internal_headers") {
       "src/codegen/s390/assembler-s390-inl.h",
       "src/codegen/s390/assembler-s390.h",
       "src/codegen/s390/constants-s390.h",
+      "src/codegen/s390/interface-descriptors-s390-inl.h",
       "src/codegen/s390/macro-assembler-s390.h",
       "src/codegen/s390/register-s390.h",
       "src/compiler/backend/s390/instruction-codes-s390.h",
@@ -3384,6 +3464,7 @@ v8_compiler_sources = [
   "src/compiler/graph-trimmer.cc",
   "src/compiler/graph-visualizer.cc",
   "src/compiler/graph.cc",
+  "src/compiler/heap-refs.cc",
   "src/compiler/js-call-reducer.cc",
   "src/compiler/js-context-specialization.cc",
   "src/compiler/js-create-lowering.cc",
@@ -3430,7 +3511,6 @@ v8_compiler_sources = [
   "src/compiler/refs-map.cc",
   "src/compiler/representation-change.cc",
   "src/compiler/schedule.cc",
-  "src/compiler/scheduled-machine-lowering.cc",
   "src/compiler/scheduler.cc",
   "src/compiler/select-lowering.cc",
   "src/compiler/serializer-for-background-compilation.cc",
@@ -3452,7 +3532,6 @@ v8_compiler_sources = [
 if (v8_enable_webassembly) {
   v8_compiler_sources += [
     "src/compiler/int64-lowering.cc",
-    "src/compiler/simd-scalar-lowering.cc",
     "src/compiler/wasm-compiler.cc",
   ]
 }
@@ -3676,6 +3755,7 @@ v8_source_set("v8_base_without_compiler") {
     "src/heap/base-space.cc",
     "src/heap/basic-memory-chunk.cc",
     "src/heap/code-object-registry.cc",
+    "src/heap/code-range.cc",
     "src/heap/code-stats.cc",
     "src/heap/collection-barrier.cc",
     "src/heap/combined-heap.cc",
@@ -3763,6 +3843,7 @@ v8_source_set("v8_base_without_compiler") {
     "src/logging/log-utils.cc",
     "src/logging/log.cc",
     "src/logging/metrics.cc",
+    "src/logging/runtime-call-stats.cc",
     "src/logging/tracing-flags.cc",
     "src/numbers/bignum-dtoa.cc",
     "src/numbers/bignum.cc",
@@ -3908,7 +3989,6 @@ v8_source_set("v8_base_without_compiler") {
     "src/runtime/runtime-typedarray.cc",
     "src/runtime/runtime-weak-refs.cc",
     "src/runtime/runtime.cc",
-    "src/sanitizer/lsan-page-allocator.cc",
     "src/snapshot/code-serializer.cc",
     "src/snapshot/context-deserializer.cc",
     "src/snapshot/context-serializer.cc",
@@ -3977,6 +4057,7 @@ v8_source_set("v8_base_without_compiler") {
       "src/wasm/graph-builder-interface.cc",
       "src/wasm/jump-table-assembler.cc",
       "src/wasm/local-decl-encoder.cc",
+      "src/wasm/memory-protection-key.cc",
       "src/wasm/memory-tracing.cc",
       "src/wasm/module-compiler.cc",
       "src/wasm/module-decoder.cc",
@@ -3988,10 +4069,12 @@ v8_source_set("v8_base_without_compiler") {
       "src/wasm/value-type.cc",
       "src/wasm/wasm-code-manager.cc",
       "src/wasm/wasm-debug.cc",
+      "src/wasm/wasm-debug.h",
       "src/wasm/wasm-engine.cc",
       "src/wasm/wasm-external-refs.cc",
       "src/wasm/wasm-features.cc",
       "src/wasm/wasm-import-wrapper-cache.cc",
+      "src/wasm/wasm-init-expr.cc",
       "src/wasm/wasm-js.cc",
       "src/wasm/wasm-module-builder.cc",
       "src/wasm/wasm-module-sourcemap.cc",
@@ -4007,7 +4090,10 @@ v8_source_set("v8_base_without_compiler") {
   if (v8_enable_third_party_heap) {
     sources += v8_third_party_heap_files
   } else {
-    sources += [ "src/heap/third-party/heap-api-stub.cc" ]
+    sources += [
+      "src/heap/third-party/heap-api-stub.cc",
+      "src/heap/third-party/heap-api.h",
+    ]
   }
 
   if (v8_enable_conservative_stack_scanning) {
@@ -4027,24 +4113,15 @@ v8_source_set("v8_base_without_compiler") {
     ]
   }
 
-  if (v8_check_header_includes) {
-    # This file will be generated by tools/generate-header-include-checks.py
-    # if the "check_v8_header_includes" gclient variable is set.
-    import("check-header-includes/sources.gni")
-    sources += check_header_includes_sources
-  }
-
   if (v8_current_cpu == "x86") {
     sources += [  ### gcmole(arch:ia32) ###
       "src/codegen/ia32/assembler-ia32.cc",
       "src/codegen/ia32/cpu-ia32.cc",
-      "src/codegen/ia32/interface-descriptors-ia32.cc",
       "src/codegen/ia32/macro-assembler-ia32.cc",
       "src/codegen/shared-ia32-x64/macro-assembler-shared-ia32-x64.cc",
       "src/compiler/backend/ia32/code-generator-ia32.cc",
       "src/compiler/backend/ia32/instruction-scheduler-ia32.cc",
       "src/compiler/backend/ia32/instruction-selector-ia32.cc",
-      "src/debug/ia32/debug-ia32.cc",
       "src/deoptimizer/ia32/deoptimizer-ia32.cc",
       "src/diagnostics/ia32/disasm-ia32.cc",
       "src/diagnostics/ia32/unwinder-ia32.cc",
@@ -4056,13 +4133,11 @@ v8_source_set("v8_base_without_compiler") {
       "src/codegen/shared-ia32-x64/macro-assembler-shared-ia32-x64.cc",
       "src/codegen/x64/assembler-x64.cc",
       "src/codegen/x64/cpu-x64.cc",
-      "src/codegen/x64/interface-descriptors-x64.cc",
       "src/codegen/x64/macro-assembler-x64.cc",
       "src/compiler/backend/x64/code-generator-x64.cc",
       "src/compiler/backend/x64/instruction-scheduler-x64.cc",
       "src/compiler/backend/x64/instruction-selector-x64.cc",
       "src/compiler/backend/x64/unwinding-info-writer-x64.cc",
-      "src/debug/x64/debug-x64.cc",
       "src/deoptimizer/x64/deoptimizer-x64.cc",
       "src/diagnostics/x64/disasm-x64.cc",
       "src/diagnostics/x64/eh-frame-x64.cc",
@@ -4091,13 +4166,11 @@ v8_source_set("v8_base_without_compiler") {
       "src/codegen/arm/assembler-arm.cc",
       "src/codegen/arm/constants-arm.cc",
       "src/codegen/arm/cpu-arm.cc",
-      "src/codegen/arm/interface-descriptors-arm.cc",
       "src/codegen/arm/macro-assembler-arm.cc",
       "src/compiler/backend/arm/code-generator-arm.cc",
       "src/compiler/backend/arm/instruction-scheduler-arm.cc",
       "src/compiler/backend/arm/instruction-selector-arm.cc",
       "src/compiler/backend/arm/unwinding-info-writer-arm.cc",
-      "src/debug/arm/debug-arm.cc",
       "src/deoptimizer/arm/deoptimizer-arm.cc",
       "src/diagnostics/arm/disasm-arm.cc",
       "src/diagnostics/arm/eh-frame-arm.cc",
@@ -4113,7 +4186,6 @@ v8_source_set("v8_base_without_compiler") {
       "src/codegen/arm64/decoder-arm64.cc",
       "src/codegen/arm64/instructions-arm64-constants.cc",
       "src/codegen/arm64/instructions-arm64.cc",
-      "src/codegen/arm64/interface-descriptors-arm64.cc",
       "src/codegen/arm64/macro-assembler-arm64.cc",
       "src/codegen/arm64/register-arm64.cc",
       "src/codegen/arm64/utils-arm64.cc",
@@ -4121,7 +4193,6 @@ v8_source_set("v8_base_without_compiler") {
       "src/compiler/backend/arm64/instruction-scheduler-arm64.cc",
       "src/compiler/backend/arm64/instruction-selector-arm64.cc",
       "src/compiler/backend/arm64/unwinding-info-writer-arm64.cc",
-      "src/debug/arm64/debug-arm64.cc",
       "src/deoptimizer/arm64/deoptimizer-arm64.cc",
       "src/diagnostics/arm64/disasm-arm64.cc",
       "src/diagnostics/arm64/eh-frame-arm64.cc",
@@ -4146,12 +4217,11 @@ v8_source_set("v8_base_without_compiler") {
       "src/codegen/mips/assembler-mips.cc",
       "src/codegen/mips/constants-mips.cc",
       "src/codegen/mips/cpu-mips.cc",
-      "src/codegen/mips/interface-descriptors-mips.cc",
+      "src/codegen/mips/interface-descriptors-mips-inl.h",
       "src/codegen/mips/macro-assembler-mips.cc",
       "src/compiler/backend/mips/code-generator-mips.cc",
       "src/compiler/backend/mips/instruction-scheduler-mips.cc",
       "src/compiler/backend/mips/instruction-selector-mips.cc",
-      "src/debug/mips/debug-mips.cc",
       "src/deoptimizer/mips/deoptimizer-mips.cc",
       "src/diagnostics/mips/disasm-mips.cc",
       "src/diagnostics/mips/unwinder-mips.cc",
@@ -4164,12 +4234,11 @@ v8_source_set("v8_base_without_compiler") {
       "src/codegen/mips64/assembler-mips64.cc",
       "src/codegen/mips64/constants-mips64.cc",
       "src/codegen/mips64/cpu-mips64.cc",
-      "src/codegen/mips64/interface-descriptors-mips64.cc",
+      "src/codegen/mips64/interface-descriptors-mips64-inl.h",
       "src/codegen/mips64/macro-assembler-mips64.cc",
       "src/compiler/backend/mips64/code-generator-mips64.cc",
       "src/compiler/backend/mips64/instruction-scheduler-mips64.cc",
       "src/compiler/backend/mips64/instruction-selector-mips64.cc",
-      "src/debug/mips64/debug-mips64.cc",
       "src/deoptimizer/mips64/deoptimizer-mips64.cc",
       "src/diagnostics/mips64/disasm-mips64.cc",
       "src/diagnostics/mips64/unwinder-mips64.cc",
@@ -4182,13 +4251,11 @@ v8_source_set("v8_base_without_compiler") {
       "src/codegen/ppc/assembler-ppc.cc",
       "src/codegen/ppc/constants-ppc.cc",
       "src/codegen/ppc/cpu-ppc.cc",
-      "src/codegen/ppc/interface-descriptors-ppc.cc",
       "src/codegen/ppc/macro-assembler-ppc.cc",
       "src/compiler/backend/ppc/code-generator-ppc.cc",
       "src/compiler/backend/ppc/instruction-scheduler-ppc.cc",
       "src/compiler/backend/ppc/instruction-selector-ppc.cc",
       "src/compiler/backend/ppc/unwinding-info-writer-ppc.cc",
-      "src/debug/ppc/debug-ppc.cc",
       "src/deoptimizer/ppc/deoptimizer-ppc.cc",
       "src/diagnostics/ppc/disasm-ppc.cc",
       "src/diagnostics/ppc/eh-frame-ppc.cc",
@@ -4202,13 +4269,11 @@ v8_source_set("v8_base_without_compiler") {
       "src/codegen/ppc/assembler-ppc.cc",
       "src/codegen/ppc/constants-ppc.cc",
       "src/codegen/ppc/cpu-ppc.cc",
-      "src/codegen/ppc/interface-descriptors-ppc.cc",
       "src/codegen/ppc/macro-assembler-ppc.cc",
       "src/compiler/backend/ppc/code-generator-ppc.cc",
       "src/compiler/backend/ppc/instruction-scheduler-ppc.cc",
       "src/compiler/backend/ppc/instruction-selector-ppc.cc",
       "src/compiler/backend/ppc/unwinding-info-writer-ppc.cc",
-      "src/debug/ppc/debug-ppc.cc",
       "src/deoptimizer/ppc/deoptimizer-ppc.cc",
       "src/diagnostics/ppc/disasm-ppc.cc",
       "src/diagnostics/ppc/eh-frame-ppc.cc",
@@ -4222,13 +4287,11 @@ v8_source_set("v8_base_without_compiler") {
       "src/codegen/s390/assembler-s390.cc",
       "src/codegen/s390/constants-s390.cc",
       "src/codegen/s390/cpu-s390.cc",
-      "src/codegen/s390/interface-descriptors-s390.cc",
       "src/codegen/s390/macro-assembler-s390.cc",
       "src/compiler/backend/s390/code-generator-s390.cc",
       "src/compiler/backend/s390/instruction-scheduler-s390.cc",
       "src/compiler/backend/s390/instruction-selector-s390.cc",
       "src/compiler/backend/s390/unwinding-info-writer-s390.cc",
-      "src/debug/s390/debug-s390.cc",
       "src/deoptimizer/s390/deoptimizer-s390.cc",
       "src/diagnostics/s390/disasm-s390.cc",
       "src/diagnostics/s390/eh-frame-s390.cc",
@@ -4239,15 +4302,17 @@ v8_source_set("v8_base_without_compiler") {
     ]
   } else if (v8_current_cpu == "riscv64") {
     sources += [  ### gcmole(arch:riscv64) ###
+      "src/baseline/riscv64/baseline-assembler-riscv64-inl.h",
+      "src/baseline/riscv64/baseline-compiler-riscv64-inl.h",
+      "src/codegen/riscv64/assembler-riscv64-inl.h",
       "src/codegen/riscv64/assembler-riscv64.cc",
       "src/codegen/riscv64/constants-riscv64.cc",
       "src/codegen/riscv64/cpu-riscv64.cc",
-      "src/codegen/riscv64/interface-descriptors-riscv64.cc",
+      "src/codegen/riscv64/interface-descriptors-riscv64-inl.h",
       "src/codegen/riscv64/macro-assembler-riscv64.cc",
       "src/compiler/backend/riscv64/code-generator-riscv64.cc",
       "src/compiler/backend/riscv64/instruction-scheduler-riscv64.cc",
       "src/compiler/backend/riscv64/instruction-selector-riscv64.cc",
-      "src/debug/riscv64/debug-riscv64.cc",
       "src/deoptimizer/riscv64/deoptimizer-riscv64.cc",
       "src/diagnostics/riscv64/disasm-riscv64.cc",
       "src/diagnostics/riscv64/unwinder-riscv64.cc",
@@ -4497,8 +4562,6 @@ v8_component("v8_libbase") {
     "src/base/atomic-utils.h",
     "src/base/atomicops.h",
     "src/base/atomicops_internals_atomicword_compat.h",
-    "src/base/atomicops_internals_portable.h",
-    "src/base/atomicops_internals_std.h",
     "src/base/base-export.h",
     "src/base/bit-field.h",
     "src/base/bits-iterator.h",
@@ -4532,7 +4595,6 @@ v8_component("v8_libbase") {
     "src/base/lazy-instance.h",
     "src/base/logging.cc",
     "src/base/logging.h",
-    "src/base/lsan.h",
     "src/base/macros.h",
     "src/base/memory.h",
     "src/base/once.cc",
@@ -4558,6 +4620,11 @@ v8_component("v8_libbase") {
     "src/base/safe_conversions.h",
     "src/base/safe_conversions_arm_impl.h",
     "src/base/safe_conversions_impl.h",
+    "src/base/sanitizer/asan.h",
+    "src/base/sanitizer/lsan-page-allocator.cc",
+    "src/base/sanitizer/lsan-page-allocator.h",
+    "src/base/sanitizer/lsan.h",
+    "src/base/sanitizer/msan.h",
     "src/base/small-vector.h",
     "src/base/sys-info.cc",
     "src/base/sys-info.h",
@@ -4694,9 +4761,11 @@ v8_component("v8_libbase") {
 
   if (is_tsan && !build_with_chromium) {
     data += [ "tools/sanitizers/tsan_suppressions.txt" ]
+  }
 
-    # llvm-symbolizer uses libstdc++ from the clang package.
-    data += [ "//third_party/llvm-build/Release+Asserts/lib/libstdc++.so.6" ]
+  if (using_sanitizer && !build_with_chromium) {
+    data_deps +=
+        [ "//build/config/clang:llvm-symbolizer_data($host_toolchain)" ]
   }
 
   # TODO(jochen): Add support for qnx, freebsd, openbsd, netbsd, and solaris.
@@ -4720,8 +4789,6 @@ v8_component("v8_libplatform") {
     "src/libplatform/delayed-task-queue.h",
     "src/libplatform/task-queue.cc",
     "src/libplatform/task-queue.h",
-    "src/libplatform/tracing/recorder-default.cc",
-    "src/libplatform/tracing/recorder.h",
     "src/libplatform/tracing/trace-buffer.cc",
     "src/libplatform/tracing/trace-buffer.h",
     "src/libplatform/tracing/trace-config.cc",
@@ -4752,8 +4819,6 @@ v8_component("v8_libplatform") {
   if (v8_use_perfetto) {
     sources -= [
       "//base/trace_event/common/trace_event_common.h",
-      "src/libplatform/tracing/recorder-default.cc",
-      "src/libplatform/tracing/recorder.h",
       "src/libplatform/tracing/trace-buffer.cc",
       "src/libplatform/tracing/trace-buffer.h",
       "src/libplatform/tracing/trace-object.cc",
@@ -4768,9 +4833,15 @@ v8_component("v8_libplatform") {
       # TODO(skyostil): Switch TraceEventListener to protozero.
       "//third_party/perfetto/protos/perfetto/trace:lite",
     ]
-  } else if (is_win) {
-    sources -= [ "src/libplatform/tracing/recorder-default.cc" ]
-    sources += [ "src/libplatform/tracing/recorder-win.cc" ]
+  }
+
+  if (v8_enable_system_instrumentation) {
+    sources += [ "src/libplatform/tracing/recorder.h" ]
+    if (is_mac) {
+      sources += [ "src/libplatform/tracing/recorder-mac.cc" ]
+    } else if (is_win) {
+      sources += [ "src/libplatform/tracing/recorder-win.cc" ]
+    }
   }
 }
 
@@ -4794,8 +4865,13 @@ v8_source_set("fuzzer_support") {
 
 v8_source_set("v8_bigint") {
   sources = [
+    "src/bigint/bigint-internal.cc",
+    "src/bigint/bigint-internal.h",
     "src/bigint/bigint.h",
+    "src/bigint/digit-arithmetic.h",
+    "src/bigint/mul-schoolbook.cc",
     "src/bigint/vector-arithmetic.cc",
+    "src/bigint/vector-arithmetic.h",
   ]
 
   configs = [ ":internal_config" ]
@@ -4807,7 +4883,6 @@ v8_source_set("v8_cppgc_shared") {
     "src/heap/base/stack.h",
     "src/heap/base/worklist.cc",
     "src/heap/base/worklist.h",
-    "src/heap/cppgc/sanitizers.h",
   ]
 
   if (is_clang || !is_win) {
@@ -4954,6 +5029,8 @@ v8_source_set("cppgc_base") {
     "src/heap/cppgc/marking-visitor.h",
     "src/heap/cppgc/marking-worklists.cc",
     "src/heap/cppgc/marking-worklists.h",
+    "src/heap/cppgc/memory.cc",
+    "src/heap/cppgc/memory.h",
     "src/heap/cppgc/metric-recorder.h",
     "src/heap/cppgc/name-trait.cc",
     "src/heap/cppgc/object-allocator.cc",
@@ -4961,6 +5038,7 @@ v8_source_set("cppgc_base") {
     "src/heap/cppgc/object-poisoner.h",
     "src/heap/cppgc/object-size-trait.cc",
     "src/heap/cppgc/object-start-bitmap.h",
+    "src/heap/cppgc/object-view.h",
     "src/heap/cppgc/page-memory.cc",
     "src/heap/cppgc/page-memory.h",
     "src/heap/cppgc/persistent-node.cc",
@@ -5032,6 +5110,35 @@ v8_source_set("cppgc_base_for_testing") {
   public_deps = [ ":cppgc_base" ]
 }
 
+if (v8_check_header_includes) {
+  # This file will be generated by tools/generate-header-include-checks.py
+  # if the "check_v8_header_includes" gclient variable is set.
+  import("check-header-includes/sources.gni")
+  v8_source_set("check_headers") {
+    configs = [ ":internal_config" ]
+    sources = check_header_includes_sources
+
+    # Any rules that contain headers files should be added here either directly
+    # or indirectly by including something that has it transitively in its
+    # public_deps.
+    deps = [
+      ":d8",
+      ":mksnapshot",
+      ":torque_base",
+      ":torque_ls_base",
+      ":v8_base_without_compiler",
+      ":v8_bigint",
+      ":v8_initializers",
+      ":v8_internal_headers",
+      ":v8_libbase",
+      ":v8_maybe_icu",
+      ":wee8",
+      "src/inspector:inspector",
+      "src/inspector:inspector_string_conversions",
+    ]
+  }
+}
+
 ###############################################################################
 # Produce a single static library for embedders
 #
@@ -5284,6 +5391,10 @@ group("gn_all") {
   if (want_v8_shell) {
     deps += [ ":v8_shell" ]
   }
+
+  if (v8_check_header_includes) {
+    deps += [ ":check_headers" ]
+  }
 }
 
 group("v8_python_base") {
@@ -6199,9 +6310,7 @@ if (!build_with_chromium && v8_use_perfetto) {
     configs = [ ":v8_tracing_config" ]
     public_configs = [ "//third_party/perfetto/gn:public_config" ]
     deps = [
-      "//third_party/perfetto/src/trace_processor:export_json",
       "//third_party/perfetto/src/trace_processor:storage_minimal",
-      "//third_party/perfetto/src/tracing:client_api",
       "//third_party/perfetto/src/tracing/core",
 
       # TODO(skyostil): Support non-POSIX platforms.
@@ -6210,5 +6319,11 @@ if (!build_with_chromium && v8_use_perfetto) {
       "//third_party/perfetto/src/tracing:in_process_backend",
       "//third_party/perfetto/src/tracing:platform_impl",
     ]
+
+    public_deps = [
+      "//third_party/perfetto/include/perfetto/trace_processor",
+      "//third_party/perfetto/src/trace_processor:export_json",
+      "//third_party/perfetto/src/tracing:client_api",
+    ]
   }
 }  # if (!build_with_chromium && v8_use_perfetto)