[test262] Roll test262

https://chromium.googlesource.com/external/github.com/tc39/test262/+log/8d420cef4..1ad9bb7626a

Bug: v8:7834
Change-Id: Icc082f9834aabd39f0d21f85d6ff9ed8ad1d0137
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3235813Reviewed-by: Shu-yu Guo <syg@chromium.org>
Commit-Queue: Frank Tang <ftang@chromium.org>
Cr-Commit-Position: refs/heads/main@{#77503}

DEPS

@@ -139,7 +139,7 @@ deps = {
   'test/mozilla/data':
     Var('chromium_url') + '/v8/deps/third_party/mozilla-tests.git' + '@' + 'f6c578a10ea707b1a8ab0b88943fe5115ce2b9be',
   'test/test262/data':
-    Var('chromium_url') + '/external/github.com/tc39/test262.git' + '@' + '8d420cef415f3501cb24d674b8c032d1f09402a0',
+    Var('chromium_url') + '/external/github.com/tc39/test262.git' + '@' + '1ad9bb7626a0836708ef4601668aa54af272e17d',
   'test/test262/harness':
     Var('chromium_url') + '/external/github.com/test262-utils/test262-harness-py.git' + '@' + '278bcfaed0dcaa13936831fb1769d15e7c1e3b2b',
   'third_party/aemu-linux-x64': {

test/test262/test262.status

@@ -331,6 +331,12 @@
   # https://bugs.chromium.org/p/v8/issues/detail?id=12209
   'intl402/Intl/supportedValuesOf/collations-accepted-by-Collator': [FAIL],
 
+  # https://bugs.chromium.org/p/v8/issues/detail?id=12335
+  'language/identifiers/part-unicode-14.0.0': [FAIL],
+  'language/identifiers/part-unicode-14.0.0-escaped': [FAIL],
+  'language/identifiers/start-unicode-14.0.0': [FAIL],
+  'language/identifiers/start-unicode-14.0.0-escaped': [FAIL],
+
   # https://bugs.chromium.org/p/v8/issues/detail?id=7831
   'language/statements/generators/generator-created-after-decl-inst': [FAIL],
   'language/expressions/generators/generator-created-after-decl-inst': [FAIL],