1 files changed, 1 insertions, 1 deletions
diff --git a/include/clang/Analysis/Analyses/ThreadSafety.h b/include/clang/Analysis/Analyses/ThreadSafety.h
index a32505624a..72a7ebb83a 100644
--- a/include/clang/Analysis/Analyses/ThreadSafety.h
+++ b/include/clang/Analysis/Analyses/ThreadSafety.h
@@ -67,7 +67,7 @@ enum LockErrorKind {
 class ThreadSafetyHandler {
 public:
   typedef llvm::StringRef Name;
-  virtual ~ThreadSafetyHandler() = 0;
+  virtual ~ThreadSafetyHandler();
 
   /// Warn about lock expressions which fail to resolve to lockable objects.
   /// \param Loc -- the SourceLocation of the unresolved expression.