1 files changed, 9 insertions, 0 deletions
diff --git a/lib/auto/POSIX/dup.al b/lib/auto/POSIX/dup.al
new file mode 100644
index 0000000000..393119e5e0
--- /dev/null
+++ b/lib/auto/POSIX/dup.al
@@ -0,0 +1,9 @@
+# NOTE:  Derived from POSIX.pm.  Changes made here will be lost.
+package POSIX;
+
+sub dup {
+    unimpl "dup(xxx)", caller if @_ != 123;
+    dup($_[0]);
+}
+
+1;