[llvm] Add "override" where appropriate (NFC) (#165168)

Note that "override" makes "virtual" redundant.

Identified with modernize-use-override.

1 files changed, 2 insertions, 1 deletions

diff --git a/llvm/unittests/Transforms/Utils/ValueMapperTest.cpp b/llvm/unittests/Transforms/Utils/ValueMapperTest.cpp
index 86ad41f..e39cd70 100644
--- a/llvm/unittests/Transforms/Utils/ValueMapperTest.cpp
+++ b/llvm/unittests/Transforms/Utils/ValueMapperTest.cpp
@@ -401,7 +401,8 @@ TEST(ValueMapperTest, mapValueLocalAsMetadataToConstant) {
 class TestTypeRemapper : public ValueMapTypeRemapper {
 public:
   TestTypeRemapper(Type *Ty) : DstTy(Ty) { }
-  Type *remapType(Type *srcTy) { return DstTy; }
+  Type *remapType(Type *srcTy) override { return DstTy; }
+
 private:
   Type *DstTy;
 };