diff --git a/tools/v8_gypfiles/features.gypi b/tools/v8_gypfiles/features.gypi
index 03ad2f90439485..b9b975ed3e7ec3 100644
--- a/tools/v8_gypfiles/features.gypi
+++ b/tools/v8_gypfiles/features.gypi
@@ -146,9 +146,6 @@
     # Sets -dV8_TRACE_FEEDBACK_UPDATES.
     'v8_enable_trace_feedback_updates%': 0,
 
-    # Sets -dV8_CONCURRENT_MARKING
-    'v8_enable_concurrent_marking%': 1,
-
     # Enables various testing features.
     'v8_enable_test_features%': 0,
 
@@ -322,9 +319,6 @@
       ['v8_enable_third_party_heap==1', {
         'defines': ['V8_ENABLE_THIRD_PARTY_HEAP',],
       }],
-      ['v8_enable_concurrent_marking==1', {
-        'defines': ['V8_CONCURRENT_MARKING',],
-      }],
       ['v8_enable_lazy_source_positions==1', {
         'defines': ['V8_ENABLE_LAZY_SOURCE_POSITIONS',],
       }],
diff --git a/tools/v8_gypfiles/toolchain.gypi b/tools/v8_gypfiles/toolchain.gypi
index d6cc53f8493ecf..1422c91ec4b94f 100644
--- a/tools/v8_gypfiles/toolchain.gypi
+++ b/tools/v8_gypfiles/toolchain.gypi
@@ -86,9 +86,6 @@
     # For a shared library build, results in "libv8-<(soname_version).so".
     'soname_version%': '',
 
-    # Allow to suppress the array bounds warning (default is no suppression).
-    'wno_array_bounds%': '',
-
     # Override where to find binutils
     'binutils_dir%': '',
 
@@ -141,7 +138,7 @@
         'cflags': [ '-Werror', '-Wno-unknown-pragmas' ],
       },{
         'cflags!': [ '-Wall', '-Wextra' ],
-        'cflags': [ '-Wno-return-type' ],
+        'cflags': [ '-Wno-return-type', '-Wno-int-in-bool-context' ],
       }],
       ['v8_target_arch=="arm"', {
         'defines': [
@@ -1116,10 +1113,6 @@
           'V8_ENABLE_FORCE_SLOW_PATH',
         ],
         'conditions': [
-          ['OS=="linux" or OS=="freebsd" or OS=="openbsd" or OS=="netbsd" or \
-            OS=="qnx" or OS=="aix"', {
-            'cflags': [ '-Woverloaded-virtual', '<(wno_array_bounds)', ],
-          }],
           ['OS=="linux" and v8_enable_backtrace==1', {
             # Support for backtrace_symbols.
             'ldflags': [ '-rdynamic' ],
@@ -1276,7 +1269,6 @@
             'cflags': [
               '-fdata-sections',
               '-ffunction-sections',
-              '<(wno_array_bounds)',
             ],
             'conditions': [
               # Don't use -O3 with sanitizers.
diff --git a/tools/v8_gypfiles/v8.gyp b/tools/v8_gypfiles/v8.gyp
index 6d7df06f735460..8149e8de631977 100644
--- a/tools/v8_gypfiles/v8.gyp
+++ b/tools/v8_gypfiles/v8.gyp
@@ -35,6 +35,7 @@
       "<(V8_ROOT)/src/builtins/array-splice.tq",
       "<(V8_ROOT)/src/builtins/array-unshift.tq",
       "<(V8_ROOT)/src/builtins/array.tq",
+      "<(V8_ROOT)/src/builtins/arraybuffer.tq",
       "<(V8_ROOT)/src/builtins/base.tq",
       "<(V8_ROOT)/src/builtins/bigint.tq",
       "<(V8_ROOT)/src/builtins/boolean.tq",
@@ -232,26 +233,30 @@
             '<@(torque_files)',
           ],
           'outputs': [
-            '<(torque_output_root)/torque-generated/bit-fields-tq.h',
-            '<(torque_output_root)/torque-generated/builtin-definitions-tq.h',
-            '<(torque_output_root)/torque-generated/interface-descriptors-tq.inc',
-            '<(torque_output_root)/torque-generated/factory-tq.cc',
-            '<(torque_output_root)/torque-generated/factory-tq.inc',
-            '<(torque_output_root)/torque-generated/field-offsets-tq.h',
-            '<(torque_output_root)/torque-generated/class-verifiers-tq.cc',
-            '<(torque_output_root)/torque-generated/class-verifiers-tq.h',
-            '<(torque_output_root)/torque-generated/enum-verifiers-tq.cc',
-            '<(torque_output_root)/torque-generated/objects-printer-tq.cc',
-            '<(torque_output_root)/torque-generated/objects-body-descriptors-tq-inl.inc',
-            '<(torque_output_root)/torque-generated/class-definitions-tq.cc',
-            '<(torque_output_root)/torque-generated/class-definitions-tq-inl.h',
-            '<(torque_output_root)/torque-generated/class-definitions-tq.h',
-            '<(torque_output_root)/torque-generated/class-debug-readers-tq.cc',
-            '<(torque_output_root)/torque-generated/class-debug-readers-tq.h',
-            '<(torque_output_root)/torque-generated/exported-macros-assembler-tq.cc',
-            '<(torque_output_root)/torque-generated/exported-macros-assembler-tq.h',
-            '<(torque_output_root)/torque-generated/csa-types-tq.h',
-            '<(torque_output_root)/torque-generated/instance-types-tq.h',
+            '<(torque_output_root)/torque-generated/bit-fields.h',
+            '<(torque_output_root)/torque-generated/builtin-definitions.h',
+            '<(torque_output_root)/torque-generated/interface-descriptors.inc',
+            '<(torque_output_root)/torque-generated/factory.cc',
+            '<(torque_output_root)/torque-generated/factory.inc',
+            '<(torque_output_root)/torque-generated/field-offsets.h',
+            '<(torque_output_root)/torque-generated/class-verifiers.cc',
+            '<(torque_output_root)/torque-generated/class-verifiers.h',
+            '<(torque_output_root)/torque-generated/enum-verifiers.cc',
+            '<(torque_output_root)/torque-generated/objects-printer.cc',
+            '<(torque_output_root)/torque-generated/objects-body-descriptors-inl.inc',
+            '<(torque_output_root)/torque-generated/class-definitions.cc',
+            '<(torque_output_root)/torque-generated/class-definitions-inl.h',
+            '<(torque_output_root)/torque-generated/class-definitions.h',
+            '<(torque_output_root)/torque-generated/class-debug-readers.cc',
+            '<(torque_output_root)/torque-generated/class-debug-readers.h',
+            '<(torque_output_root)/torque-generated/exported-macros-assembler.cc',
+            '<(torque_output_root)/torque-generated/exported-macros-assembler.h',
+            '<(torque_output_root)/torque-generated/csa-types.h',
+            '<(torque_output_root)/torque-generated/instance-types.h',
+            '<(torque_output_root)/torque-generated/internal-class-definitions.h',
+            '<(torque_output_root)/torque-generated/internal-class-definitions-inl.h',
+            '<(torque_output_root)/torque-generated/exported-class-definitions.h',
+            '<(torque_output_root)/torque-generated/exported-class-definitions-inl.h',
             '<@(torque_outputs)',
           ],
           'action': [
@@ -298,10 +303,10 @@
       ],
       'direct_dependent_settings': {
         'sources': [
-          '<(torque_output_root)/torque-generated/csa-types-tq.h',
-          '<(torque_output_root)/torque-generated/enum-verifiers-tq.cc',
-          '<(torque_output_root)/torque-generated/exported-macros-assembler-tq.cc',
-          '<(torque_output_root)/torque-generated/exported-macros-assembler-tq.h',
+          '<(torque_output_root)/torque-generated/csa-types.h',
+          '<(torque_output_root)/torque-generated/enum-verifiers.cc',
+          '<(torque_output_root)/torque-generated/exported-macros-assembler.cc',
+          '<(torque_output_root)/torque-generated/exported-macros-assembler.h',
           '<(V8_ROOT)/src/torque/runtime-support.h',
           '<@(torque_outputs)',
         ],
@@ -323,11 +328,11 @@
       ],
       'direct_dependent_settings': {
         'sources': [
-          '<(torque_output_root)/torque-generated/class-definitions-tq.cc',
-          '<(torque_output_root)/torque-generated/class-verifiers-tq.cc',
-          '<(torque_output_root)/torque-generated/class-verifiers-tq.h',
-          '<(torque_output_root)/torque-generated/factory-tq.cc',
-          '<(torque_output_root)/torque-generated/objects-printer-tq.cc',
+          '<(torque_output_root)/torque-generated/class-definitions.cc',
+          '<(torque_output_root)/torque-generated/class-verifiers.cc',
+          '<(torque_output_root)/torque-generated/class-verifiers.h',
+          '<(torque_output_root)/torque-generated/factory.cc',
+          '<(torque_output_root)/torque-generated/objects-printer.cc',
         ],
         'include_dirs': [
           '<(torque_output_root)',
@@ -1487,6 +1492,8 @@
         'sources': [
           '<(V8_ROOT)/src/heap/base/stack.cc',
           '<(V8_ROOT)/src/heap/base/stack.h',
+          '<(V8_ROOT)/src/heap/base/worklist.cc',
+          '<(V8_ROOT)/src/heap/base/worklist.h',
         ],
         'conditions': [
           ['clang or OS!="win"', {
@@ -1671,7 +1678,7 @@
       'dependencies': ['run_torque'],
       'variables': {
         'heapobject_files': [
-          '<(torque_output_root)/torque-generated/instance-types-tq.h',
+          '<(torque_output_root)/torque-generated/instance-types.h',
           '<(V8_ROOT)/src/objects/allocation-site.h',
           '<(V8_ROOT)/src/objects/allocation-site-inl.h',
           '<(V8_ROOT)/src/objects/cell.h',
@@ -1695,6 +1702,7 @@
           '<(V8_ROOT)/src/objects/js-array-buffer-inl.h',
           '<(V8_ROOT)/src/objects/js-array.h',
           '<(V8_ROOT)/src/objects/js-array-inl.h',
+          '<(V8_ROOT)/src/objects/js-function-inl.h',
           '<(V8_ROOT)/src/objects/js-function.cc',
           '<(V8_ROOT)/src/objects/js-function.h',
           '<(V8_ROOT)/src/objects/js-objects.cc',