Don't silently ignore invalid files: tell the user!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17633 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Linker/LinkArchives.cpp b/lib/Linker/LinkArchives.cpp
index fa9ec70..2194e0e 100644
--- a/lib/Linker/LinkArchives.cpp
+++ b/lib/Linker/LinkArchives.cpp
@@ -345,6 +345,8 @@
                   << Pathname << "': " << ErrorMessage << "\n";
         return true;
       }
+    } else {
+      std::cerr << "Warning: invalid file `" << Pathname << "' ignored.\n";
     }
   }