1 files changed, 5 insertions, 0 deletions
diff --git a/libsanitizer/tsan/tsan_vector.h b/libsanitizer/tsan/tsan_vector.h
index 99e9f792c20c..4da8b83d5c3f 100644
--- a/libsanitizer/tsan/tsan_vector.h
+++ b/libsanitizer/tsan/tsan_vector.h
@@ -62,6 +62,11 @@ class Vector {
     return &end_[-1];
   }
 
+  void PopBack() {
+    DCHECK_GT(end_, begin_);
+    end_--;
+  }
+
   void Resize(uptr size) {
     uptr old_size = Size();
     EnsureSize(size);