1 files changed, 3 insertions, 2 deletions
diff --git a/chromium/third_party/blink/renderer/platform/heap/gc_info_test.cc b/chromium/third_party/blink/renderer/platform/heap/gc_info_test.cc
index 6447fc31900..e87246b9a7d 100644
--- a/chromium/third_party/blink/renderer/platform/heap/gc_info_test.cc
+++ b/chromium/third_party/blink/renderer/platform/heap/gc_info_test.cc
@@ -16,10 +16,11 @@ TEST(GCInfoTest, InitialEmpty) {
 TEST(GCInfoTest, ResizeToMaxIndex) {
   GCInfoTable table;
   GCInfo info = {nullptr, nullptr, nullptr, false, false};
-  uint32_t slot = 0;
+  std::atomic_uint32_t slot{0};
   for (uint32_t i = 0; i < (GCInfoTable::kMaxIndex - 1); i++) {
     slot = 0;
-    table.EnsureGCInfoIndex(&info, &slot);
+    uint32_t index = table.EnsureGCInfoIndex(&info, &slot);
+    EXPECT_EQ(index, slot);
     EXPECT_LT(0u, slot);
     EXPECT_EQ(&info, table.GCInfoFromIndex(slot));
   }