1 files changed, 4 insertions, 0 deletions
diff --git a/lib/sanitizer_common/sanitizer_mutex.h b/lib/sanitizer_common/sanitizer_mutex.h
index 469981c35176..e812fce90598 100644
--- a/lib/sanitizer_common/sanitizer_mutex.h
+++ b/lib/sanitizer_common/sanitizer_mutex.h
@@ -40,6 +40,10 @@ class StaticSpinMutex {
     atomic_store(&state_, 0, memory_order_release);
   }
 
+  void CheckLocked() {
+    CHECK_EQ(atomic_load(&state_, memory_order_relaxed), 1);
+  }
+
  private:
   atomic_uint8_t state_;