BASELINE: Update Chromium to 94.0.4606.111

Change-Id: I924781584def20fc800bedf6ff41fdb96c438193
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@qt.io>

1 files changed, 17 insertions, 0 deletions

diff --git a/chromium/v8/src/objects/swiss-name-dictionary-inl.h b/chromium/v8/src/objects/swiss-name-dictionary-inl.h
index 770c32b59f9..5ea4e27e6b1 100644
--- a/chromium/v8/src/objects/swiss-name-dictionary-inl.h
+++ b/chromium/v8/src/objects/swiss-name-dictionary-inl.h
@@ -8,6 +8,7 @@
 #include <algorithm>
 
 #include "src/base/macros.h"
+#include "src/base/optional.h"
 #include "src/execution/isolate-utils-inl.h"
 #include "src/heap/heap.h"
 #include "src/objects/fixed-array-inl.h"
@@ -304,6 +305,22 @@ Object SwissNameDictionary::ValueAt(InternalIndex entry) {
   return ValueAtRaw(entry.as_int());
 }
 
+base::Optional<Object> SwissNameDictionary::TryValueAt(InternalIndex entry) {
+#if DEBUG
+  Isolate* isolate;
+  GetIsolateFromHeapObject(*this, &isolate);
+  DCHECK_NE(isolate, nullptr);
+  SLOW_DCHECK(!isolate->heap()->IsPendingAllocation(*this));
+#endif  // DEBUG
+  // We can read Capacity() in a non-atomic way since we are reading an
+  // initialized object which is not pending allocation.
+  if (static_cast<unsigned>(entry.as_int()) >=
+      static_cast<unsigned>(Capacity())) {
+    return {};
+  }
+  return ValueAtRaw(entry.as_int());
+}
+
 PropertyDetails SwissNameDictionary::DetailsAt(int entry) {
   // GetCtrl(entry) does a bounds check for |entry| value.
   DCHECK(IsFull(GetCtrl(entry)));