deps: update V8 to 10.9.194.4

PR-URL: #45579
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

Author: anonrig

deps/v8/.ycm_extra_conf.py

@@ -42,7 +42,6 @@
 # Flags from YCM's default config.
 flags= [
 '-DUSE_CLANG_COMPLETER',
-'-std=gnu++14',
 '-x',
 'c++',
 ]
@@ -143,25 +142,27 @@ def GetClangCommandFromNinjaForFilename(v8_root, filename):
 # Parse flags that are important for YCM's purposes.
 forflaginclang_line.split(' '):
 ifflag.startswith('-I'):
-# Relative paths need to be resolved, because they're relative to the
-# output dir, not the source.
-ifflag[2] =='/':
-v8_flags.append(flag)
-else:
-abs_path=os.path.normpath(os.path.join(out_dir, flag[2:]))
-v8_flags.append('-I'+abs_path)
-elifflag.startswith('-std'):
+v8_flags.append(MakeIncludePathAbsolute(flag, "-I", out_dir))
+elifflag.startswith('-isystem'):
+v8_flags.append(MakeIncludePathAbsolute(flag, "-isystem", out_dir))
+elifflag.startswith('-std') orflag.startswith(
+'-pthread') orflag.startswith('-no'):
 v8_flags.append(flag)
-elifflag.startswith('-') andflag[1] in'DWFfmO':
-ifflag=='-Wno-deprecated-register'orflag=='-Wno-header-guard':
-# These flags causes libclang (3.3) to crash. Remove it until things
-# are fixed.
-continue
+elifflag.startswith('-') andflag[1] in'DWFfmgOX':
 v8_flags.append(flag)
-
 returnv8_flags
 
 
+defMakeIncludePathAbsolute(flag, prefix, out_dir):
+# Relative paths need to be resolved, because they're relative to the
+# output dir, not the source.
+ifflag[len(prefix)] =='/':
+returnflag
+else:
+abs_path=os.path.normpath(os.path.join(out_dir, flag[len(prefix):]))
+returnprefix+abs_path
+
+
 defFlagsForFile(filename):
 """This is the main entry point for YCM. Its interface is fixed.
 
@@ -180,3 +181,9 @@ def FlagsForFile(filename):
 'flags': final_flags,
 'do_cache': True
  }
+
+
+defSettings(**kwargs):
+ifkwargs['language'] =='cfamily':
+returnFlagsForFile(kwargs['filename'])
+return {}

deps/v8/AUTHORS

@@ -114,6 +114,7 @@ Fedor Indutny <fedor@indutny.com>
 Felix Geisendörfer <haimuiba@gmail.com>
 Feng Yu <f3n67u@gmail.com>
 Filipe David Manana <fdmanana@gmail.com>
+Frank Lemanschik <frank@dspeed.eu>
 Franziska Hinkelmann <franziska.hinkelmann@gmail.com>
 Gao Sheng <gaosheng08@meituan.com>
 Geoffrey Garside <ggarside@gmail.com>
@@ -152,6 +153,7 @@ Jiaxun Yang <jiaxun.yang@flygoat.com>
 Joel Stanley <joel@jms.id.au>
 Johan Bergström <johan@bergstroem.nu>
 Jonathan Liu <net147@gmail.com>
+Juan Arboleda <soyjuanarbol@gmail.com>
 Julien Brianceau <jbriance@cisco.com>
 JunHo Seo <sejunho@gmail.com>
 Junha Park <jpark3@scu.edu>

deps/v8/BUILD.bazel

@@ -39,6 +39,7 @@ load(":bazel/v8-non-pointer-compression.bzl", "v8_binary_non_pointer_compression
 # v8_enable_trace_baseline_exec
 # v8_enable_trace_feedback_updates
 # v8_enable_atomic_object_field_writes
+# v8_enable_conservative_stack_scanning
 # v8_enable_concurrent_marking
 # v8_enable_ignition_dispatch_counting
 # v8_enable_builtins_profiling
@@ -1381,6 +1382,8 @@ filegroup(
 "src/handles/global-handles-inl.h",
 "src/handles/global-handles.cc",
 "src/handles/global-handles.h",
+"src/handles/traced-handles.cc",
+"src/handles/traced-handles.h",
 "src/handles/handles-inl.h",
 "src/handles/handles.cc",
 "src/handles/handles.h",
@@ -1963,6 +1966,7 @@ filegroup(
 "src/profiler/heap-snapshot-generator-inl.h",
 "src/profiler/heap-snapshot-generator.cc",
 "src/profiler/heap-snapshot-generator.h",
+"src/profiler/output-stream-writer.h",
 "src/profiler/profile-generator-inl.h",
 "src/profiler/profile-generator.cc",
 "src/profiler/profile-generator.h",
@@ -2664,6 +2668,8 @@ filegroup(
 "src/compiler/all-nodes.h",
 "src/compiler/allocation-builder.h",
 "src/compiler/allocation-builder-inl.h",
+"src/compiler/backend/bitcast-elider.cc",
+"src/compiler/backend/bitcast-elider.h",
 "src/compiler/backend/code-generator.cc",
 "src/compiler/backend/code-generator.h",
 "src/compiler/backend/code-generator-impl.h",
@@ -2887,7 +2893,7 @@ filegroup(
 "src/compiler/turboshaft/graph.h",
 "src/compiler/turboshaft/graph-visualizer.cc",
 "src/compiler/turboshaft/graph-visualizer.h",
-"src/compiler/turboshaft/machine-optimization-assembler.h",
+"src/compiler/turboshaft/machine-optimization-reducer.h",
 "src/compiler/turboshaft/operations.cc",
 "src/compiler/turboshaft/operations.h",
 "src/compiler/turboshaft/operation-matching.h",
@@ -2897,12 +2903,14 @@ filegroup(
 "src/compiler/turboshaft/recreate-schedule.h",
 "src/compiler/turboshaft/representations.cc",
 "src/compiler/turboshaft/representations.h",
+"src/compiler/turboshaft/select-lowering-reducer.h",
 "src/compiler/turboshaft/sidetable.h",
 "src/compiler/turboshaft/simplify-tf-loops.cc",
 "src/compiler/turboshaft/simplify-tf-loops.h",
+"src/compiler/turboshaft/snapshot-table.h",
 "src/compiler/turboshaft/utils.cc",
 "src/compiler/turboshaft/utils.h",
-"src/compiler/turboshaft/value-numbering-assembler.h",
+"src/compiler/turboshaft/value-numbering-reducer.h",
 "src/compiler/type-cache.cc",
 "src/compiler/type-cache.h",
 "src/compiler/type-narrowing-reducer.cc",
@@ -3152,16 +3160,16 @@ filegroup(
 # Note these cannot be v8_target_is_* selects because these contain
 # inline assembly that runs inside the executable. Since these are
 # linked directly into mksnapshot, they must use the actual target cpu.
-"@v8//bazel/config:is_inline_asm_ia32": ["src/heap/base/asm/ia32/push_registers_asm.cc"],
-"@v8//bazel/config:is_inline_asm_x64": ["src/heap/base/asm/x64/push_registers_asm.cc"],
-"@v8//bazel/config:is_inline_asm_arm": ["src/heap/base/asm/arm/push_registers_asm.cc"],
-"@v8//bazel/config:is_inline_asm_arm64": ["src/heap/base/asm/arm64/push_registers_asm.cc"],
-"@v8//bazel/config:is_inline_asm_s390x": ["src/heap/base/asm/s390/push_registers_asm.cc"],
-"@v8//bazel/config:is_inline_asm_riscv64": ["src/heap/base/asm/riscv64/push_registers_asm.cc"],
-"@v8//bazel/config:is_inline_asm_ppc64le": ["src/heap/base/asm/ppc/push_registers_asm.cc"],
-"@v8//bazel/config:is_msvc_asm_ia32": ["src/heap/base/asm/ia32/push_registers_masm.asm"],
-"@v8//bazel/config:is_msvc_asm_x64": ["src/heap/base/asm/x64/push_registers_masm.asm"],
-"@v8//bazel/config:is_msvc_asm_arm64": ["src/heap/base/asm/arm64/push_registers_masm.S"],
+"@v8//bazel/config:is_inline_asm_ia32": ["src/heap/base/asm/ia32/save_registers_asm.cc"],
+"@v8//bazel/config:is_inline_asm_x64": ["src/heap/base/asm/x64/save_registers_asm.cc"],
+"@v8//bazel/config:is_inline_asm_arm": ["src/heap/base/asm/arm/save_registers_asm.cc"],
+"@v8//bazel/config:is_inline_asm_arm64": ["src/heap/base/asm/arm64/save_registers_asm.cc"],
+"@v8//bazel/config:is_inline_asm_s390x": ["src/heap/base/asm/s390/save_registers_asm.cc"],
+"@v8//bazel/config:is_inline_asm_riscv64": ["src/heap/base/asm/riscv64/save_registers_asm.cc"],
+"@v8//bazel/config:is_inline_asm_ppc64le": ["src/heap/base/asm/ppc/save_registers_asm.cc"],
+"@v8//bazel/config:is_msvc_asm_ia32": ["src/heap/base/asm/ia32/save_registers_masm.asm"],
+"@v8//bazel/config:is_msvc_asm_x64": ["src/heap/base/asm/x64/save_registers_masm.asm"],
+"@v8//bazel/config:is_msvc_asm_arm64": ["src/heap/base/asm/arm64/save_registers_masm.S"],
  }),
 )
 

deps/v8/BUILD.gn

@@ -1460,6 +1460,10 @@ config("toolchain") {
 "/wd4715", # 'function' : not all control paths return a value'
 # MSVC does not analyze switch (enum) for completeness.
  ]
+
+# TODO(https://crbug.com/1377771): Keep MSVC on C++17 until source code is
+# made compatible with C++20.
+cflags_cc= [ "/std:c++17" ]
  }
 
 if (!is_clang&&!is_win) {
@@ -1476,6 +1480,11 @@ config("toolchain") {
 # Disable gcc warnings for using enum constant in boolean context.
 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97266
 "-Wno-int-in-bool-context",
+
+# Disable gcc deprecation warnings, which are firing on implicit capture
+# of `this` in capture-by-value lambdas and preventing a build roll which
+# enables C++20 (see https://crbug.com/1374227).
+"-Wno-deprecated",
  ]
  }
 
@@ -2268,6 +2277,8 @@ action("v8_dump_build_config") {
 "v8_current_cpu=\"$v8_current_cpu\"",
 "v8_enable_atomic_object_field_writes="+
 "$v8_enable_atomic_object_field_writes",
+"v8_enable_conservative_stack_scanning="+
+"$v8_enable_conservative_stack_scanning",
 "v8_enable_concurrent_marking=$v8_enable_concurrent_marking",
 "v8_enable_single_generation=$v8_enable_single_generation",
 "v8_enable_i18n_support=$v8_enable_i18n_support",
@@ -2803,6 +2814,7 @@ v8_header_set("v8_internal_headers") {
 "src/compiler/all-nodes.h",
 "src/compiler/allocation-builder-inl.h",
 "src/compiler/allocation-builder.h",
+"src/compiler/backend/bitcast-elider.h",
 "src/compiler/backend/code-generator-impl.h",
 "src/compiler/backend/code-generator.h",
 "src/compiler/backend/frame-elider.h",
@@ -2923,16 +2935,18 @@ v8_header_set("v8_internal_headers") {
 "src/compiler/turboshaft/graph-builder.h",
 "src/compiler/turboshaft/graph-visualizer.h",
 "src/compiler/turboshaft/graph.h",
-"src/compiler/turboshaft/machine-optimization-assembler.h",
+"src/compiler/turboshaft/machine-optimization-reducer.h",
 "src/compiler/turboshaft/operation-matching.h",
 "src/compiler/turboshaft/operations.h",
 "src/compiler/turboshaft/optimization-phase.h",
 "src/compiler/turboshaft/recreate-schedule.h",
 "src/compiler/turboshaft/representations.h",
+"src/compiler/turboshaft/select-lowering-reducer.h",
 "src/compiler/turboshaft/sidetable.h",
 "src/compiler/turboshaft/simplify-tf-loops.h",
+"src/compiler/turboshaft/snapshot-table.h",
 "src/compiler/turboshaft/utils.h",
-"src/compiler/turboshaft/value-numbering-assembler.h",
+"src/compiler/turboshaft/value-numbering-reducer.h",
 "src/compiler/type-cache.h",
 "src/compiler/type-narrowing-reducer.h",
 "src/compiler/typed-optimization.h",
@@ -3024,6 +3038,7 @@ v8_header_set("v8_internal_headers") {
 "src/handles/maybe-handles.h",
 "src/handles/persistent-handles.h",
 "src/handles/shared-object-conveyor-handles.h",
+"src/handles/traced-handles.h",
 "src/heap/allocation-observer.h",
 "src/heap/allocation-result.h",
 "src/heap/allocation-stats.h",
@@ -3422,6 +3437,7 @@ v8_header_set("v8_internal_headers") {
 "src/profiler/heap-profiler.h",
 "src/profiler/heap-snapshot-generator-inl.h",
 "src/profiler/heap-snapshot-generator.h",
+"src/profiler/output-stream-writer.h",
 "src/profiler/profile-generator-inl.h",
 "src/profiler/profile-generator.h",
 "src/profiler/profiler-listener.h",
@@ -4041,6 +4057,7 @@ v8_compiler_sources = [
 "src/compiler/access-info.cc",
 "src/compiler/add-type-assertions-reducer.cc",
 "src/compiler/all-nodes.cc",
+"src/compiler/backend/bitcast-elider.cc",
 "src/compiler/backend/code-generator.cc",
 "src/compiler/backend/frame-elider.cc",
 "src/compiler/backend/gap-resolver.cc",
@@ -4429,6 +4446,7 @@ v8_source_set("v8_base_without_compiler") {
 "src/handles/local-handles.cc",
 "src/handles/persistent-handles.cc",
 "src/handles/shared-object-conveyor-handles.cc",
+"src/handles/traced-handles.cc",
 "src/heap/allocation-observer.cc",
 "src/heap/array-buffer-sweeper.cc",
 "src/heap/base-space.cc",
@@ -4737,6 +4755,7 @@ v8_source_set("v8_base_without_compiler") {
 
 if (v8_enable_maglev) {
 sources+= [
+"src/maglev/maglev-assembler.cc",
 "src/maglev/maglev-code-generator.cc",
 "src/maglev/maglev-compilation-info.cc",
 "src/maglev/maglev-compilation-unit.cc",
@@ -5745,31 +5764,31 @@ v8_source_set("v8_heap_base") {
 
 if (is_clang||!is_win) {
 if (current_cpu=="x64") {
-sources+= [ "src/heap/base/asm/x64/push_registers_asm.cc" ]
+sources+= [ "src/heap/base/asm/x64/save_registers_asm.cc" ]
  } elseif (current_cpu=="x86") {
-sources+= [ "src/heap/base/asm/ia32/push_registers_asm.cc" ]
+sources+= [ "src/heap/base/asm/ia32/save_registers_asm.cc" ]
  } elseif (current_cpu=="arm") {
-sources+= [ "src/heap/base/asm/arm/push_registers_asm.cc" ]
+sources+= [ "src/heap/base/asm/arm/save_registers_asm.cc" ]
  } elseif (current_cpu=="arm64") {
-sources+= [ "src/heap/base/asm/arm64/push_registers_asm.cc" ]
+sources+= [ "src/heap/base/asm/arm64/save_registers_asm.cc" ]
  } elseif (current_cpu=="ppc64") {
-sources+= [ "src/heap/base/asm/ppc/push_registers_asm.cc" ]
+sources+= [ "src/heap/base/asm/ppc/save_registers_asm.cc" ]
  } elseif (current_cpu=="s390x") {
-sources+= [ "src/heap/base/asm/s390/push_registers_asm.cc" ]
+sources+= [ "src/heap/base/asm/s390/save_registers_asm.cc" ]
  } elseif (current_cpu=="mips64el") {
-sources+= [ "src/heap/base/asm/mips64/push_registers_asm.cc" ]
+sources+= [ "src/heap/base/asm/mips64/save_registers_asm.cc" ]
  } elseif (current_cpu=="loong64") {
-sources+= [ "src/heap/base/asm/loong64/push_registers_asm.cc" ]
+sources+= [ "src/heap/base/asm/loong64/save_registers_asm.cc" ]
  } elseif (current_cpu=="riscv64"||current_cpu=="riscv32") {
-sources+= [ "src/heap/base/asm/riscv/push_registers_asm.cc" ]
+sources+= [ "src/heap/base/asm/riscv/save_registers_asm.cc" ]
  }
  } elseif (is_win) {
 if (current_cpu=="x64") {
-sources+= [ "src/heap/base/asm/x64/push_registers_masm.asm" ]
+sources+= [ "src/heap/base/asm/x64/save_registers_masm.asm" ]
  } elseif (current_cpu=="x86") {
-sources+= [ "src/heap/base/asm/ia32/push_registers_masm.asm" ]
+sources+= [ "src/heap/base/asm/ia32/save_registers_masm.asm" ]
  } elseif (current_cpu=="arm64") {
-sources+= [ "src/heap/base/asm/arm64/push_registers_masm.S" ]
+sources+= [ "src/heap/base/asm/arm64/save_registers_masm.S" ]
  }
  }