deps: update V8 to 14.4.78

Author: nodejs-github-bot

deps/v8/.clang-format

@@ -3,15 +3,22 @@
 BasedOnStyle: Google
 DerivePointerAlignment: false
 MaxEmptyLinesToKeep: 1
+SpaceBeforeCaseColon: false
 IfMacros:
   - IF
   - IF_NOT
 Macros:
   # Make clang-format think TurboShaft `ELSE` expands to just `else`, so that
   # it formats well alongside `if`
   - ELSE=else
+  - CASE_=case
   - FOR_WITH_HANDLE_SCOPE(isolate, init, loop_var, limit_check, increment)=for(init; loop_var; increment)
   - WHILE_WITH_HANDLE_SCOPE(isolate, limit_check)=while(limit_check)
+  # Make clang-format parse conditions in flag implications as expressions, not type definitions.
+  - DEFINE_IMPLICATION(cond,flag,value)=if(cond) { flag; };
+  - DEFINE_WEAK_IMPLICATION(cond,flag,value)=if(cond) { flag; };
+  - DEFINE_VALUE_IMPLICATION(cond,flag,value)=if(cond) { flag = value; };
+  - DEFINE_WEAK_VALUE_IMPLICATION(cond,flag,value)=if(cond) { flag = value; };
 StatementMacros:
   - DECL_CAST
   - DECL_VERIFIER

deps/v8/.gitignore

@@ -26,6 +26,7 @@
 .cache
 .ccls-cache
 .clangd
+.clang-format-cache
 .cpplint-cache
 .cproject
 .DS_Store
@@ -153,6 +154,7 @@ bazel-bin
 bazel-out
 bazel-testlogs
 bazel-v8
+launch.json
 !/third_party/jinja2
 !/third_party/markupsafe
 !/third_party/zlib

deps/v8/AUTHORS

@@ -188,7 +188,9 @@ Kang-Hao (Kenny) Lu <kennyluck@csail.mit.edu>
 Karl Skomski <karl@skomski.com>
 Kasper Lund <kasperl@rivosinc.com>
 Keith Smiley <keithbsmiley@gmail.com>
+Kenta Moriuchi <moriken@kimamass.com>
 Kevin Gibbons <bakkot@gmail.com>
+Kevin Wang <wangpengqiang@bytedance.com>
 Keyhan Vakil <kvakil@googlecontrib.kvakil.me>
 Kris Selden <kris.selden@gmail.com>
 Krishna Ravishankar <krishna.ravi732@gmail.com>
@@ -260,6 +262,7 @@ Refael Ackermann <refack@gmail.com>
 Rene Rebe <rene@exactcode.de>
 Reza Yazdani <ryazdani@futurewei.com>
 Rick Waldron <waldron.rick@gmail.com>
+Riya Amemiya <riyaamemiya@gmail.com>
 Rob Wu <rob@robwu.nl>
 Robert Meijer <robert.s.meijer@gmail.com>
 Robert Mustacchi <rm@fingolfin.org>
@@ -346,3 +349,8 @@ Ryuhei Shima <shimaryuhei@gmail.com>
 Domagoj Stolfa <domagoj.stolfa@gmail.com>
 Zhijin Zeng <zhijin.zeng@spacemit.com>
 王家睿 <wangjiarui79@gmail.com>
+Julian Gremminger <asdfju77@gmail.com>
+Liam Wachter <liam.g.wachter@gmail.com>
+Flavio Toffalini <flavio87@gmail.com>
+Mathias Payer <mathias.payer@gmail.com>
+Christian Wressnegger <intellisec.de@gmail.com>

deps/v8/BUILD.bazel

@@ -2583,6 +2583,7 @@ filegroup(
         "src/tasks/task-utils.cc",
         "src/tasks/task-utils.h",
         "src/torque/runtime-macro-shims.h",
+        "src/tracing/perfetto-sdk.h",
         "src/tracing/trace-event.cc",
         "src/tracing/trace-event.h",
         "src/tracing/trace-event-no-perfetto.h",
@@ -2923,6 +2924,7 @@ filegroup(
             "src/maglev/maglev-pipeline-statistics.h",
             "src/maglev/maglev-post-hoc-optimizations-processors.h",
             "src/maglev/maglev-pre-regalloc-codegen-processors.h",
+            "src/maglev/maglev-range-analysis.h",
             "src/maglev/maglev-reducer-inl.h",
             "src/maglev/maglev-reducer.h",
             "src/maglev/maglev-regalloc-data.h",
@@ -3246,8 +3248,8 @@ filegroup(
         "src/compiler/backend/spill-placer.cc",
         "src/compiler/backend/spill-placer.h",
         "src/compiler/backend/unwinding-info-writer.h",
-        "src/compiler/basic-block-instrumentor.cc",
-        "src/compiler/basic-block-instrumentor.h",
+        "src/compiler/basic-block-call-graph-profiler.cc",
+        "src/compiler/basic-block-call-graph-profiler.h",
         "src/compiler/branch-elimination.cc",
         "src/compiler/branch-elimination.h",
         "src/compiler/bytecode-analysis.cc",
@@ -3450,6 +3452,7 @@ filegroup(
         "src/compiler/turboshaft/build-graph-phase.h",
         "src/compiler/turboshaft/builtin-call-descriptors.h",
         "src/compiler/turboshaft/builtin-compiler.h",
+        "src/compiler/turboshaft/call-descriptors-util.h",
         "src/compiler/turboshaft/csa-branch-elimination-phase.cc",
         "src/compiler/turboshaft/csa-branch-elimination-phase.h",
         "src/compiler/turboshaft/csa-early-machine-optimization-phase.cc",
@@ -3513,6 +3516,8 @@ filegroup(
         "src/compiler/turboshaft/machine-lowering-phase.h",
         "src/compiler/turboshaft/machine-lowering-reducer-inl.h",
         "src/compiler/turboshaft/turbolev-early-lowering-reducer-inl.h",
+        "src/compiler/turboshaft/turbolev-frontend-pipeline.cc",
+        "src/compiler/turboshaft/turbolev-frontend-pipeline.h",
         "src/compiler/turboshaft/turbolev-graph-builder.cc",
         "src/compiler/turboshaft/turbolev-graph-builder.h",
         "src/compiler/turboshaft/machine-optimization-reducer.h",
@@ -3565,6 +3570,7 @@ filegroup(
         "src/compiler/turboshaft/typer.h",
         "src/compiler/turboshaft/types.cc",
         "src/compiler/turboshaft/types.h",
+        "src/compiler/turboshaft/typeswitch.h",
         "src/compiler/turboshaft/undef-assembler-macros.inc",
         "src/compiler/turboshaft/uniform-reducer-adapter.h",
         "src/compiler/turboshaft/use-map.cc",
@@ -3673,8 +3679,6 @@ filegroup(
             "src/compiler/turboshaft/wasm-shuffle-reducer.h",
             "src/compiler/turboshaft/wasm-simd-phase.cc",
             "src/compiler/turboshaft/wasm-simd-phase.h",
-            "src/compiler/turboshaft/wasm-type-cast-rtt-optimization-helpers.cc",
-            "src/compiler/turboshaft/wasm-type-cast-rtt-optimization-helpers.h",
             "src/compiler/wasm-address-reassociation.cc",
             "src/compiler/wasm-address-reassociation.h",
             "src/compiler/wasm-call-descriptors.cc",
@@ -3734,6 +3738,7 @@ filegroup(
             "src/maglev/maglev-ir.h",
             "src/maglev/maglev-ir-inl.h",
             "src/maglev/maglev-kna-processor.h",
+            "src/maglev/maglev-range-analysis.h",
             "src/maglev/maglev-reducer-inl.h",
             "src/maglev/maglev-reducer.h",
             "src/maglev/maglev-register-frame-array.h",