diff --git a/clang/tools/clang-offload-bundler/ClangOffloadBundler.cpp b/clang/tools/clang-offload-bundler/ClangOffloadBundler.cpp
--- a/clang/tools/clang-offload-bundler/ClangOffloadBundler.cpp
+++ b/clang/tools/clang-offload-bundler/ClangOffloadBundler.cpp
@@ -1450,7 +1450,7 @@
     return 0;
   }
 
-  if (OutputFileNames.getNumOccurrences() == 0) {
+  if (OutputFileNames.size() == 0) {
     reportError(
         createStringError(errc::invalid_argument, "no output file specified!"));
   }