1 files changed, 1 insertions, 1 deletions
diff --git a/contrib/llvm-project/llvm/lib/CodeGen/SwiftErrorValueTracking.cpp b/contrib/llvm-project/llvm/lib/CodeGen/SwiftErrorValueTracking.cpp
index 4408011c95c0..2282d53e8ffd 100644
--- a/contrib/llvm-project/llvm/lib/CodeGen/SwiftErrorValueTracking.cpp
+++ b/contrib/llvm-project/llvm/lib/CodeGen/SwiftErrorValueTracking.cpp
@@ -267,7 +267,7 @@ void SwiftErrorValueTracking::preassignVRegs(
     if (auto *CB = dyn_cast<CallBase>(&*It)) {
       // A call-site with a swifterror argument is both use and def.
       const Value *SwiftErrorAddr = nullptr;
-      for (auto &Arg : CB->args()) {
+      for (const auto &Arg : CB->args()) {
         if (!Arg->isSwiftError())
           continue;
         // Use of swifterror.