diff --git a/llvm/lib/Transforms/Utils/Local.cpp b/llvm/lib/Transforms/Utils/Local.cpp
--- a/llvm/lib/Transforms/Utils/Local.cpp
+++ b/llvm/lib/Transforms/Utils/Local.cpp
@@ -2896,9 +2896,9 @@
   for (Use &U : llvm::make_early_inc_range(From->uses())) {
     if (!Dominates(Root, U))
       continue;
-    U.set(To);
     LLVM_DEBUG(dbgs() << "Replace dominated use of '" << From->getName()
-                      << "' as " << *To << " in " << *U << "\n");
+                      << "' as " << *To << " in " << *U.getUser() << "\n");
+    U.set(To);
     ++Count;
   }
   return Count;