[CaptureTrackingTest] Add missing override marker (NFC)

diff --git a/llvm/unittests/Analysis/CaptureTrackingTest.cpp b/llvm/unittests/Analysis/CaptureTrackingTest.cpp
index b8257c4..73dd82f 100644 (file)
--- a/llvm/unittests/Analysis/CaptureTrackingTest.cpp
+++ b/llvm/unittests/Analysis/CaptureTrackingTest.cpp
@@ -76,7 +76,7 @@ TEST(CaptureTracking, MaxUsesToExplore) {
 
 struct CollectingCaptureTracker : public CaptureTracker {
   SmallVector<const Use *, 4> Captures;
-  void tooManyUses() { }
+  void tooManyUses() override { }
   bool captured(const Use *U) override {
     Captures.push_back(U);
     return false;