diff --git a/llvm/tools/llvm-readobj/llvm-readobj.cpp b/llvm/tools/llvm-readobj/llvm-readobj.cpp
index 1836e0f..7bcdd1e 100644
--- a/llvm/tools/llvm-readobj/llvm-readobj.cpp
+++ b/llvm/tools/llvm-readobj/llvm-readobj.cpp
@@ -378,6 +378,12 @@
   WithColor::warning(errs()) << Msg << "\n";
 }
 
+void warn(Error Err) {
+  handleAllErrors(std::move(Err), [&](const ErrorInfoBase &EI) {
+    reportWarning(EI.message());
+  });
+}
+
 void error(Error EC) {
   if (!EC)
     return;