deps: make V8 10.2 ABI-compatible with 10.1

Create an unused deopt kind to replace `DeoptimizeKind::kSoft`, which
was removed. This ensures that the layout of IsolateData doesn't change.

Refs: 1ff685d8b1

PR-URL: https://github.com/nodejs/node/pull/42740
Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
Reviewed-By: Richard Lau <rlau@redhat.com>

common.gypi

@@ -36,7 +36,7 @@
 
     # Reset this number to 0 on major V8 upgrades.
     # Increment by one for each non-official patch applied to deps/v8.
-    'v8_embedder_string': '-node.7',
+    'v8_embedder_string': '-node.8',
 
     ##### V8 defaults for Node.js #####
 

deps/v8/include/v8-internal.h

@@ -365,8 +365,8 @@ class Internals {
 
   static const uint32_t kNumIsolateDataSlots = 4;
   static const int kStackGuardSize = 7 * kApiSystemPointerSize;
-  static const int kBuiltinTier0EntryTableSize = 9 * kApiSystemPointerSize;
-  static const int kBuiltinTier0TableSize = 9 * kApiSystemPointerSize;
+  static const int kBuiltinTier0EntryTableSize = 10 * kApiSystemPointerSize;
+  static const int kBuiltinTier0TableSize = 10 * kApiSystemPointerSize;
 
   // IsolateData layout guarantees.
   static const int kIsolateCageBaseOffset = 0;

deps/v8/src/builtins/arm/builtins-arm.cc

@@ -3537,6 +3537,10 @@ void Builtins::Generate_DeoptimizationEntry_Lazy(MacroAssembler* masm) {
   Generate_DeoptimizationEntry(masm, DeoptimizeKind::kLazy);
 }
 
+void Builtins::Generate_DeoptimizationEntry_Unused(MacroAssembler* masm) {
+  Generate_DeoptimizationEntry(masm, DeoptimizeKind::kUnused);
+}
+
 namespace {
 
 // Restarts execution either at the current or next (in execution order)

deps/v8/src/builtins/arm64/builtins-arm64.cc

@@ -4056,6 +4056,10 @@ void Builtins::Generate_DeoptimizationEntry_Lazy(MacroAssembler* masm) {
   Generate_DeoptimizationEntry(masm, DeoptimizeKind::kLazy);
 }
 
+void Builtins::Generate_DeoptimizationEntry_Unused(MacroAssembler* masm) {
+  Generate_DeoptimizationEntry(masm, DeoptimizeKind::kUnused);
+}
+
 namespace {
 
 // Restarts execution either at the current or next (in execution order)

deps/v8/src/builtins/builtins-definitions.h

@@ -46,6 +46,8 @@ namespace internal {
   /* Deoptimization entries. */                               \
   ASM(DeoptimizationEntry_Eager, DeoptimizationEntry)         \
   ASM(DeoptimizationEntry_Lazy, DeoptimizationEntry)          \
+  /* Replaces "Soft" for ABI compatibility. */                \
+  ASM(DeoptimizationEntry_Unused, DeoptimizationEntry)        \
                                                               \
   /* GC write barrier. */                                     \
   TFC(RecordWriteEmitRememberedSetSaveFP, WriteBarrier)       \

deps/v8/src/builtins/ia32/builtins-ia32.cc

@@ -4153,6 +4153,10 @@ void Builtins::Generate_DeoptimizationEntry_Lazy(MacroAssembler* masm) {
   Generate_DeoptimizationEntry(masm, DeoptimizeKind::kLazy);
 }
 
+void Builtins::Generate_DeoptimizationEntry_Unused(MacroAssembler* masm) {
+  Generate_DeoptimizationEntry(masm, DeoptimizeKind::kUnused);
+}
+
 namespace {
 
 // Restarts execution either at the current or next (in execution order)

deps/v8/src/builtins/loong64/builtins-loong64.cc

@@ -3554,6 +3554,10 @@ void Builtins::Generate_DeoptimizationEntry_Lazy(MacroAssembler* masm) {
   Generate_DeoptimizationEntry(masm, DeoptimizeKind::kLazy);
 }
 
+void Builtins::Generate_DeoptimizationEntry_Unused(MacroAssembler* masm) {
+  Generate_DeoptimizationEntry(masm, DeoptimizeKind::kUnused);
+}
+
 namespace {
 
 // Restarts execution either at the current or next (in execution order)

deps/v8/src/builtins/mips/builtins-mips.cc

@@ -4002,6 +4002,10 @@ void Builtins::Generate_DeoptimizationEntry_Lazy(MacroAssembler* masm) {
   Generate_DeoptimizationEntry(masm, DeoptimizeKind::kLazy);
 }
 
+void Builtins::Generate_DeoptimizationEntry_Unused(MacroAssembler* masm) {
+  Generate_DeoptimizationEntry(masm, DeoptimizeKind::kUnused);
+}
+
 namespace {
 
 // Restarts execution either at the current or next (in execution order)

deps/v8/src/builtins/mips64/builtins-mips64.cc

@@ -3581,6 +3581,10 @@ void Builtins::Generate_DeoptimizationEntry_Lazy(MacroAssembler* masm) {
   Generate_DeoptimizationEntry(masm, DeoptimizeKind::kLazy);
 }
 
+void Builtins::Generate_DeoptimizationEntry_Unused(MacroAssembler* masm) {
+  Generate_DeoptimizationEntry(masm, DeoptimizeKind::kUnused);
+}
+
 namespace {
 
 // Restarts execution either at the current or next (in execution order)

deps/v8/src/builtins/ppc/builtins-ppc.cc

@@ -3839,6 +3839,10 @@ void Builtins::Generate_DeoptimizationEntry_Lazy(MacroAssembler* masm) {
   Generate_DeoptimizationEntry(masm, DeoptimizeKind::kLazy);
 }
 
+void Builtins::Generate_DeoptimizationEntry_Unused(MacroAssembler* masm) {
+  Generate_DeoptimizationEntry(masm, DeoptimizeKind::kUnused);
+}
+
 void Builtins::Generate_BaselineOrInterpreterEnterAtBytecode(
     MacroAssembler* masm) {
   // Implement on this platform, https://crrev.com/c/2695591.

deps/v8/src/builtins/riscv64/builtins-riscv64.cc

@@ -3668,6 +3668,10 @@ void Builtins::Generate_DeoptimizationEntry_Lazy(MacroAssembler* masm) {
   Generate_DeoptimizationEntry(masm, DeoptimizeKind::kLazy);
 }
 
+void Builtins::Generate_DeoptimizationEntry_Unused(MacroAssembler* masm) {
+  Generate_DeoptimizationEntry(masm, DeoptimizeKind::kUnused);
+}
+
 namespace {
 
 // Restarts execution either at the current or next (in execution order)

deps/v8/src/builtins/s390/builtins-s390.cc

@@ -3836,6 +3836,10 @@ void Builtins::Generate_DeoptimizationEntry_Lazy(MacroAssembler* masm) {
   Generate_DeoptimizationEntry(masm, DeoptimizeKind::kLazy);
 }
 
+void Builtins::Generate_DeoptimizationEntry_Unused(MacroAssembler* masm) {
+  Generate_DeoptimizationEntry(masm, DeoptimizeKind::kUnused);
+}
+
 void Builtins::Generate_InterpreterOnStackReplacement(MacroAssembler* masm) {
   OnStackReplacement(masm, OsrSourceTier::kInterpreter);
 }

deps/v8/src/builtins/x64/builtins-x64.cc

@@ -5007,6 +5007,10 @@ void Builtins::Generate_DeoptimizationEntry_Lazy(MacroAssembler* masm) {
   Generate_DeoptimizationEntry(masm, DeoptimizeKind::kLazy);
 }
 
+void Builtins::Generate_DeoptimizationEntry_Unused(MacroAssembler* masm) {
+  Generate_DeoptimizationEntry(masm, DeoptimizeKind::kUnused);
+}
+
 namespace {
 
 // Restarts execution either at the current or next (in execution order)

deps/v8/src/common/globals.h

@@ -522,11 +522,13 @@ constexpr int kNoDeoptimizationId = -1;
 // Deoptimize bailout kind:
 // - Eager: a check failed in the optimized code and deoptimization happens
 //   immediately.
+// - Unused: replaces "Soft" for ABI compatibility.
 // - Lazy: the code has been marked as dependent on some assumption which
 //   is checked elsewhere and can trigger deoptimization the next time the
 //   code is executed.
 enum class DeoptimizeKind : uint8_t {
   kEager,
+  kUnused,
   kLazy,
 };
 constexpr DeoptimizeKind kFirstDeoptimizeKind = DeoptimizeKind::kEager;
@@ -540,6 +542,8 @@ constexpr const char* ToString(DeoptimizeKind kind) {
   switch (kind) {
     case DeoptimizeKind::kEager:
       return "Eager";
+    case DeoptimizeKind::kUnused:
+      return "Unused";
     case DeoptimizeKind::kLazy:
       return "Lazy";
   }

deps/v8/src/deoptimizer/deoptimizer.cc

@@ -460,6 +460,8 @@ const char* Deoptimizer::MessageFor(DeoptimizeKind kind) {
   switch (kind) {
     case DeoptimizeKind::kEager:
       return "deopt-eager";
+    case DeoptimizeKind::kUnused:
+      return "deopt-unused";
     case DeoptimizeKind::kLazy:
       return "deopt-lazy";
   }
@@ -585,6 +587,8 @@ Builtin Deoptimizer::GetDeoptimizationEntry(DeoptimizeKind kind) {
   switch (kind) {
     case DeoptimizeKind::kEager:
       return Builtin::kDeoptimizationEntry_Eager;
+    case DeoptimizeKind::kUnused:
+      return Builtin::kDeoptimizationEntry_Unused;
     case DeoptimizeKind::kLazy:
       return Builtin::kDeoptimizationEntry_Lazy;
   }
@@ -599,6 +603,9 @@ bool Deoptimizer::IsDeoptimizationEntry(Isolate* isolate, Address addr,
     case Builtin::kDeoptimizationEntry_Eager:
       *type_out = DeoptimizeKind::kEager;
       return true;
+    case Builtin::kDeoptimizationEntry_Unused:
+      *type_out = DeoptimizeKind::kUnused;
+      return true;
     case Builtin::kDeoptimizationEntry_Lazy:
       *type_out = DeoptimizeKind::kLazy;
       return true;