deps: update V8 to 6.5.254.31

PR-URL: https://github.com/nodejs/node/pull/18453
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Yang Guo <yangguo@chromium.org>
Reviewed-By: Ali Ijaz Sheikh <ofrobots@google.com>
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>

4 files changed, 21 insertions, 8 deletions

diff --git a/deps/v8/src/zone/accounting-allocator.cc b/deps/v8/src/zone/accounting-allocator.cc
index ee841fb4af..8ef141b4c1 100644
--- a/deps/v8/src/zone/accounting-allocator.cc
+++ b/deps/v8/src/zone/accounting-allocator.cc
@@ -10,6 +10,8 @@
 #include <malloc.h>  // NOLINT
 #endif
 
+#include "src/allocation.h"
+
 namespace v8 {
 namespace internal {
 
@@ -82,11 +84,7 @@ Segment* AccountingAllocator::GetSegment(size_t bytes) {
 }
 
 Segment* AccountingAllocator::AllocateSegment(size_t bytes) {
-  void* memory = malloc(bytes);
-  if (memory == nullptr) {
-    V8::GetCurrentPlatform()->OnCriticalMemoryPressure();
-    memory = malloc(bytes);
-  }
+  void* memory = AllocWithRetry(bytes);
   if (memory != nullptr) {
     base::AtomicWord current =
         base::Relaxed_AtomicIncrement(&current_memory_usage_, bytes);
diff --git a/deps/v8/src/zone/zone-containers.h b/deps/v8/src/zone/zone-containers.h
index 78d25cc644..5e9fd0440a 100644
--- a/deps/v8/src/zone/zone-containers.h
+++ b/deps/v8/src/zone/zone-containers.h
@@ -41,6 +41,11 @@ class ZoneVector : public std::vector<T, ZoneAllocator<T>> {
   ZoneVector(size_t size, T def, Zone* zone)
       : std::vector<T, ZoneAllocator<T>>(size, def, ZoneAllocator<T>(zone)) {}
 
+  // Constructs a new vector and fills it with the contents of the given
+  // initializer list.
+  ZoneVector(std::initializer_list<T> list, Zone* zone)
+      : std::vector<T, ZoneAllocator<T>>(list, ZoneAllocator<T>(zone)) {}
+
   // Constructs a new vector and fills it with the contents of the range
   // [first, last).
   template <class InputIt>
diff --git a/deps/v8/src/zone/zone.cc b/deps/v8/src/zone/zone.cc
index de8146de05..470f4c4177 100644
--- a/deps/v8/src/zone/zone.cc
+++ b/deps/v8/src/zone/zone.cc
@@ -42,7 +42,8 @@ const size_t kASanRedzoneBytes = 0;
 
 }  // namespace
 
-Zone::Zone(AccountingAllocator* allocator, const char* name)
+Zone::Zone(AccountingAllocator* allocator, const char* name,
+           SegmentSize segment_size)
     : allocation_size_(0),
       segment_bytes_allocated_(0),
       position_(0),
@@ -50,7 +51,8 @@ Zone::Zone(AccountingAllocator* allocator, const char* name)
       allocator_(allocator),
       segment_head_(nullptr),
       name_(name),
-      sealed_(false) {
+      sealed_(false),
+      segment_size_(segment_size) {
   allocator_->ZoneCreation(this);
 }
 
@@ -148,6 +150,9 @@ Address Zone::NewExpand(size_t size) {
     V8::FatalProcessOutOfMemory("Zone");
     return nullptr;
   }
+  if (segment_size_ == SegmentSize::kLarge) {
+    new_size = kMaximumSegmentSize;
+  }
   if (new_size < kMinimumSegmentSize) {
     new_size = kMinimumSegmentSize;
   } else if (new_size > kMaximumSegmentSize) {
diff --git a/deps/v8/src/zone/zone.h b/deps/v8/src/zone/zone.h
index c8c1fe3515..e15e3d116e 100644
--- a/deps/v8/src/zone/zone.h
+++ b/deps/v8/src/zone/zone.h
@@ -34,9 +34,13 @@ namespace internal {
 //
 // Note: The implementation is inherently not thread safe. Do not use
 // from multi-threaded code.
+
+enum class SegmentSize { kLarge, kDefault };
+
 class V8_EXPORT_PRIVATE Zone final {
  public:
-  Zone(AccountingAllocator* allocator, const char* name);
+  Zone(AccountingAllocator* allocator, const char* name,
+       SegmentSize segment_size = SegmentSize::kDefault);
   ~Zone();
 
   // Allocate 'size' bytes of memory in the Zone; expands the Zone by
@@ -109,6 +113,7 @@ class V8_EXPORT_PRIVATE Zone final {
   Segment* segment_head_;
   const char* name_;
   bool sealed_;
+  SegmentSize segment_size_;
 };
 
 // ZoneObject is an abstraction that helps define classes of objects