1 files changed, 2 insertions, 0 deletions
diff --git a/clang/lib/CodeGen/CGDeclCXX.cpp b/clang/lib/CodeGen/CGDeclCXX.cpp
index ed25b6db38e..cb1c8ed192d 100644
--- a/clang/lib/CodeGen/CGDeclCXX.cpp
+++ b/clang/lib/CodeGen/CGDeclCXX.cpp
@@ -138,6 +138,8 @@ CodeGenFunction::EmitCXXGlobalDtorRegistration(llvm::Constant *DtorFn,
 
   llvm::Constant *AtExitFn = CGM.CreateRuntimeFunction(AtExitFnTy,
                                                        "__cxa_atexit");
+  if (llvm::Function *Fn = dyn_cast<llvm::Function>(AtExitFn))
+    Fn->setDoesNotThrow();
 
   llvm::Constant *Handle = CGM.CreateRuntimeVariable(Int8PtrTy,
                                                      "__dso_handle");