deps: update V8 to 8.8.278.17

PR-URL: https://github.com/nodejs/node/pull/36139
Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Myles Borins <myles.borins@gmail.com>
Reviewed-By: Shelley Vohr <codebytere@gmail.com>

4 files changed, 89 insertions, 41 deletions

diff --git a/deps/v8/test/mjsunit/tools/codemap.mjs b/deps/v8/test/mjsunit/tools/codemap.mjs
index f1150fe364..e70e6a0980 100644
--- a/deps/v8/test/mjsunit/tools/codemap.mjs
+++ b/deps/v8/test/mjsunit/tools/codemap.mjs
@@ -25,12 +25,7 @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-import { CodeMap } from "../../../tools/codemap.mjs";
-
-function newCodeEntry(size, name) {
-  return new CodeMap.CodeEntry(size, name);
-};
-
+import { CodeMap, CodeEntry } from "../../../tools/codemap.mjs";
 
 function assertEntry(codeMap, expected_name, addr) {
   var entry = codeMap.findEntry(addr);
@@ -46,9 +41,9 @@ function assertNoEntry(codeMap, addr) {
 
 (function testLibrariesAndStaticCode() {
   var codeMap = new CodeMap();
-  codeMap.addLibrary(0x1500, newCodeEntry(0x3000, 'lib1'));
-  codeMap.addLibrary(0x15500, newCodeEntry(0x5000, 'lib2'));
-  codeMap.addLibrary(0x155500, newCodeEntry(0x10000, 'lib3'));
+  codeMap.addLibrary(0x1500, new CodeEntry(0x3000, 'lib1'));
+  codeMap.addLibrary(0x15500, new CodeEntry(0x5000, 'lib2'));
+  codeMap.addLibrary(0x155500, new CodeEntry(0x10000, 'lib3'));
   assertNoEntry(codeMap, 0);
   assertNoEntry(codeMap, 0x1500 - 1);
   assertEntry(codeMap, 'lib1', 0x1500);
@@ -70,9 +65,9 @@ function assertNoEntry(codeMap, addr) {
   assertNoEntry(codeMap, 0x155500 + 0x10000);
   assertNoEntry(codeMap, 0xFFFFFFFF);
 
-  codeMap.addStaticCode(0x1510, newCodeEntry(0x30, 'lib1-f1'));
-  codeMap.addStaticCode(0x1600, newCodeEntry(0x50, 'lib1-f2'));
-  codeMap.addStaticCode(0x15520, newCodeEntry(0x100, 'lib2-f1'));
+  codeMap.addStaticCode(0x1510, new CodeEntry(0x30, 'lib1-f1'));
+  codeMap.addStaticCode(0x1600, new CodeEntry(0x50, 'lib1-f2'));
+  codeMap.addStaticCode(0x15520, new CodeEntry(0x100, 'lib2-f1'));
   assertEntry(codeMap, 'lib1', 0x1500);
   assertEntry(codeMap, 'lib1', 0x1510 - 1);
   assertEntry(codeMap, 'lib1-f1', 0x1510);
@@ -96,10 +91,10 @@ function assertNoEntry(codeMap, addr) {
 
 (function testDynamicCode() {
   var codeMap = new CodeMap();
-  codeMap.addCode(0x1500, newCodeEntry(0x200, 'code1'));
-  codeMap.addCode(0x1700, newCodeEntry(0x100, 'code2'));
-  codeMap.addCode(0x1900, newCodeEntry(0x50, 'code3'));
-  codeMap.addCode(0x1950, newCodeEntry(0x10, 'code4'));
+  codeMap.addCode(0x1500, new CodeEntry(0x200, 'code1'));
+  codeMap.addCode(0x1700, new CodeEntry(0x100, 'code2'));
+  codeMap.addCode(0x1900, new CodeEntry(0x50, 'code3'));
+  codeMap.addCode(0x1950, new CodeEntry(0x10, 'code4'));
   assertNoEntry(codeMap, 0);
   assertNoEntry(codeMap, 0x1500 - 1);
   assertEntry(codeMap, 'code1', 0x1500);
@@ -122,8 +117,8 @@ function assertNoEntry(codeMap, addr) {
 
 (function testCodeMovesAndDeletions() {
   var codeMap = new CodeMap();
-  codeMap.addCode(0x1500, newCodeEntry(0x200, 'code1'));
-  codeMap.addCode(0x1700, newCodeEntry(0x100, 'code2'));
+  codeMap.addCode(0x1500, new CodeEntry(0x200, 'code1'));
+  codeMap.addCode(0x1700, new CodeEntry(0x100, 'code2'));
   assertEntry(codeMap, 'code1', 0x1500);
   assertEntry(codeMap, 'code2', 0x1700);
   codeMap.moveCode(0x1500, 0x1800);
@@ -139,8 +134,8 @@ function assertNoEntry(codeMap, addr) {
 (function testDynamicNamesDuplicates() {
   var codeMap = new CodeMap();
   // Code entries with same names but different addresses.
-  codeMap.addCode(0x1500, newCodeEntry(0x200, 'code'));
-  codeMap.addCode(0x1700, newCodeEntry(0x100, 'code'));
+  codeMap.addCode(0x1500, new CodeEntry(0x200, 'code'));
+  codeMap.addCode(0x1700, new CodeEntry(0x100, 'code'));
   assertEntry(codeMap, 'code', 0x1500);
   assertEntry(codeMap, 'code {1}', 0x1700);
   // Test name stability.
@@ -151,9 +146,9 @@ function assertNoEntry(codeMap, addr) {
 
 (function testStaticEntriesExport() {
   var codeMap = new CodeMap();
-  codeMap.addStaticCode(0x1500, newCodeEntry(0x3000, 'lib1'));
-  codeMap.addStaticCode(0x15500, newCodeEntry(0x5000, 'lib2'));
-  codeMap.addStaticCode(0x155500, newCodeEntry(0x10000, 'lib3'));
+  codeMap.addStaticCode(0x1500, new CodeEntry(0x3000, 'lib1'));
+  codeMap.addStaticCode(0x15500, new CodeEntry(0x5000, 'lib2'));
+  codeMap.addStaticCode(0x155500, new CodeEntry(0x10000, 'lib3'));
   var allStatics = codeMap.getAllStaticEntries();
   allStatics = allStatics.map(String);
   allStatics.sort();
@@ -163,9 +158,9 @@ function assertNoEntry(codeMap, addr) {
 
 (function testDynamicEntriesExport() {
   var codeMap = new CodeMap();
-  codeMap.addCode(0x1500, newCodeEntry(0x200, 'code1'));
-  codeMap.addCode(0x1700, newCodeEntry(0x100, 'code2'));
-  codeMap.addCode(0x1900, newCodeEntry(0x50, 'code3'));
+  codeMap.addCode(0x1500, new CodeEntry(0x200, 'code1'));
+  codeMap.addCode(0x1700, new CodeEntry(0x100, 'code2'));
+  codeMap.addCode(0x1900, new CodeEntry(0x50, 'code3'));
   var allDynamics = codeMap.getAllDynamicEntries();
   allDynamics = allDynamics.map(String);
   allDynamics.sort();
diff --git a/deps/v8/test/mjsunit/tools/log_two_byte.js b/deps/v8/test/mjsunit/tools/log_two_byte.js
index 5e6f89fe16..e181b88cd2 100644
--- a/deps/v8/test/mjsunit/tools/log_two_byte.js
+++ b/deps/v8/test/mjsunit/tools/log_two_byte.js
@@ -20,9 +20,6 @@ function testFunctionWithFunnyName(o) {
   for (let i = 0; i < 1000; i++) {
     result += o[twoByteName](object);
   }
-  console.log(result);
-  console.log(twoByteName);
-
 })();
 
 var __v_3 = {};
diff --git a/deps/v8/test/mjsunit/tools/processor.mjs b/deps/v8/test/mjsunit/tools/processor.mjs
new file mode 100644
index 0000000000..04e7684e3d
--- /dev/null
+++ b/deps/v8/test/mjsunit/tools/processor.mjs
@@ -0,0 +1,56 @@
+// Copyright 2020 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.
+
+// Flags: --logfile='+' --log --trace-maps --trace-ic --log-code
+// Flags: --log-function-events --no-stress-opt
+
+import { Processor } from "../../../tools/system-analyzer/processor.mjs";
+
+// log code start
+function doWork() {
+  let array = [];
+  for (let i = 0; i < 500; i++) {
+    doWorkStep(i, array);
+  }
+  let sum = 0;
+  for (let i = 0; i < 500; i++) {
+    sum += array[i]["property" + i];
+  }
+  return sum;
+}
+
+function doWorkStep(i, array) {
+  const obj = {
+    ["property" + i]: i,
+  };
+  array.push(obj);
+  obj.custom1 = 1;
+  obj.custom2 = 2;
+}
+
+const result = doWork();
+ // log code end
+
+const logString = d8.log.getAndStop();
+const processor = new Processor();
+processor.processString(logString);
+
+const maps = processor.mapTimeline;
+const ics = processor.icTimeline;
+const scripts = processor.scripts;
+
+(function testResults() {
+  assertEquals(result, 124750);
+  assertTrue(maps.length > 0);
+  assertTrue(ics.length > 0);
+  assertTrue(scripts.length > 0);
+})();
+
+(function testIcKeys() {
+  const keys = new Set();
+  ics.forEach(ic => keys.add(ic.key));
+  assertTrue(keys.has("custom1"));
+  assertTrue(keys.has("custom2"));
+  assertTrue(keys.has("push"));
+})();
diff --git a/deps/v8/test/mjsunit/tools/timeline.mjs b/deps/v8/test/mjsunit/tools/timeline.mjs
index 07fd605992..5d3eca92d6 100644
--- a/deps/v8/test/mjsunit/tools/timeline.mjs
+++ b/deps/v8/test/mjsunit/tools/timeline.mjs
@@ -3,7 +3,7 @@
 // found in the LICENSE file.
 
 import { Timeline } from "../../../tools/system-analyzer/timeline.mjs";
-import { Event } from "../../../tools/system-analyzer/log/log.mjs";
+import { LogEntry} from "../../../tools/system-analyzer/log/log.mjs";
 
 
 (function testTimeline() {
@@ -11,20 +11,20 @@ import { Event } from "../../../tools/system-analyzer/log/log.mjs";
   let id1 = "0x3e7e082470cd";
   let id2 = "0x3e7e082470ad";
   let time = 12;
-  let event1 = new Event(id1, time);
-  let event2 = new Event(id1, time + 1);
-  let event3 = new Event(id1, time + 2);
-  let event4 = new Event(id1, time + 3);
-  let event5 = new Event(id2, time + 3);
-  timeline.push(event1);
-  timeline.push(event2);
-  timeline.push(event3);
-  timeline.push(event4);
-  timeline.push(event5);
+  let entry1 = new LogEntry(id1, time);
+  let entry2 = new LogEntry(id1, time + 1);
+  let entry3 = new LogEntry(id1, time + 2);
+  let entry4 = new LogEntry(id1, time + 3);
+  let entry5 = new LogEntry(id2, time + 3);
+  timeline.push(entry1);
+  timeline.push(entry2);
+  timeline.push(entry3);
+  timeline.push(entry4);
+  timeline.push(entry5);
   let startTime = time;
   let endTime = time + 2;
   timeline.selectTimeRange(startTime, endTime);
-  assertArrayEquals(timeline.selection, [event1, event2, event3]);
+  assertArrayEquals(timeline.selection, [entry1, entry2, entry3]);
   let entryIdx = timeline.find(time + 1);
   let entry = timeline.at(entryIdx);
   assertEquals(entry.time, time + 1);