Used ZoneChunkList in deoptimizer

test/unittests/zone/zone-chunk-list-unittest.cc

 // Copyright 2016 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/zone/zone-chunk-list.h"
 
 #include "src/list-inl.h"
 #include "src/zone/accounting-allocator.h"
 #include "src/zone/zone.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ skipping 122 matching lines @@
 
   const size_t index = kItemCount / 2 + 42;
 
   EXPECT_EQ(*zone_chunk_list.Find(index), static_cast<uintptr_t>(index));
 
   *zone_chunk_list.Find(index) = 42;
 
   EXPECT_EQ(*zone_chunk_list.Find(index), 42);
 }
 
+TEST(ZoneChunkList, CopyToTest) {
+  AccountingAllocator allocator;
+  Zone zone(&allocator, ZONE_NAME);
+
+  ZoneChunkList<uintptr_t> zone_chunk_list(&zone);
+
+  for (size_t i = 0; i < kItemCount; ++i) {
+    zone_chunk_list.push_back(static_cast<uintptr_t>(i));
+  }
+
+  uintptr_t* array = zone.NewArray<uintptr_t>(kItemCount);
+
+  zone_chunk_list.CopyTo(array);
+
+  for (size_t i = 0; i < kItemCount; ++i) {
+    EXPECT_EQ(array[i], static_cast<uintptr_t>(i));
+  }
+}
+
+TEST(ZoneChunkList, SmallCopyToTest) {
+  AccountingAllocator allocator;
+  Zone zone(&allocator, ZONE_NAME);
+
+  ZoneChunkList<uint8_t> zone_chunk_list(&zone);
+
+  for (size_t i = 0; i < kItemCount; ++i) {
+    zone_chunk_list.push_back(static_cast<uint8_t>(i & 0xFF));
+  }
+
+  uint8_t* array = zone.NewArray<uint8_t>(kItemCount);
+
+  zone_chunk_list.CopyTo(array);
+
+  for (size_t i = 0; i < kItemCount; ++i) {
+    EXPECT_EQ(array[i], static_cast<uint8_t>(i & 0xFF));
+  }
+}
+
+struct Fubar {
+  size_t a_;
+  size_t b_;
+};
+
+TEST(ZoneChunkList, BigCopyToTest) {
+  AccountingAllocator allocator;
+  Zone zone(&allocator, ZONE_NAME);
+
+  ZoneChunkList<Fubar> zone_chunk_list(&zone);
+
+  for (size_t i = 0; i < kItemCount; ++i) {
+    zone_chunk_list.push_back({i, i + 5});
+  }
+
+  Fubar* array = zone.NewArray<Fubar>(kItemCount);
+
+  zone_chunk_list.CopyTo(array);
+
+  for (size_t i = 0; i < kItemCount; ++i) {
+    EXPECT_EQ(array[i].a_, i);
+    EXPECT_EQ(array[i].b_, i + 5);
+  }
+}
+
 }  // namespace internal
 }  // namespace v8