diff --git a/llvm/lib/Support/raw_ostream.cpp b/llvm/lib/Support/raw_ostream.cpp
--- a/llvm/lib/Support/raw_ostream.cpp
+++ b/llvm/lib/Support/raw_ostream.cpp
@@ -876,10 +876,17 @@
 }
 
 raw_fd_ostream &llvm::errs() {
-  // Set standard error to be unbuffered and tied to outs() by default.
-  static raw_fd_ostream S(STDERR_FILENO, false, true);
-  S.tie(&outs());
-  return S;
+  // Ensure outs() is constructed before the unbuffered stderr stream so that
+  // outs() will be destructed after outs() and the TiedStream field of Init.S
+  // will not become dangling. The tie call is called once, thus the user can
+  // opt out the behavior.
+  static struct InitializeAndTie {
+    raw_fd_ostream S;
+    InitializeAndTie(raw_ostream &TieTo) : S(STDERR_FILENO, false, true) {
+      S.tie(&TieTo);
+    }
+  } Init(outs());
+  return Init.S;
 }
 
 /// nulls() - This returns a reference to a raw_ostream which discards output.