diff --git a/llvm/lib/Target/WebAssembly/WebAssemblyTargetMachine.cpp b/llvm/lib/Target/WebAssembly/WebAssemblyTargetMachine.cpp
index 80e34b3..8e8b487 100644
--- a/llvm/lib/Target/WebAssembly/WebAssemblyTargetMachine.cpp
+++ b/llvm/lib/Target/WebAssembly/WebAssemblyTargetMachine.cpp
@@ -120,7 +120,7 @@
   // splitting and tail merging.
 }
 
-WebAssemblyTargetMachine::~WebAssemblyTargetMachine() {}
+WebAssemblyTargetMachine::~WebAssemblyTargetMachine() = default; // anchor.
 
 const WebAssemblySubtarget *
 WebAssemblyTargetMachine::getSubtargetImpl(const Function &F) const {