1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/Target/WebAssembly/WebAssemblyFixIrreducibleControlFlow.cpp b/llvm/lib/Target/WebAssembly/WebAssemblyFixIrreducibleControlFlow.cpp
index 1a7716a5d94..65e79d4765d 100644
--- a/llvm/lib/Target/WebAssembly/WebAssemblyFixIrreducibleControlFlow.cpp
+++ b/llvm/lib/Target/WebAssembly/WebAssemblyFixIrreducibleControlFlow.cpp
@@ -109,7 +109,7 @@ public:
   bool operator!=(const MetaBlock &MBB) { return Block != MBB.Block; }
 };
 
-class SuccessorList : public MetaBlock {
+class SuccessorList final : public MetaBlock {
   size_t Index;
   size_t Num;