[SampleFDO] Fix -Wnon-virtual-dtor

Make the dtor virtual to fix the warning.

diff --git a/llvm/include/llvm/Transforms/Utils/SampleProfileLoaderBaseImpl.h b/llvm/include/llvm/Transforms/Utils/SampleProfileLoaderBaseImpl.h
index 2a510e6..1cef5e7 100644 (file)
--- a/llvm/include/llvm/Transforms/Utils/SampleProfileLoaderBaseImpl.h
+++ b/llvm/include/llvm/Transforms/Utils/SampleProfileLoaderBaseImpl.h
@@ -114,7 +114,7 @@ public:
       DenseMap<const BasicBlockT *, SmallVector<const BasicBlockT *, 8>>;
 
 protected:
-  ~SampleProfileLoaderBaseImpl() = default;
+  virtual ~SampleProfileLoaderBaseImpl() = default;
   friend class SampleCoverageTracker;
 
   Function &getFunction(FunctionT &F) {