--- bash-4.3.30.dist/builtins/common.c	2018-09-30 21:21:24.260581893 -0400
+++ bash-4.3.30/builtins/common.c	2018-09-30 21:07:29.591957129 -0400
@@ -120,6 +120,8 @@
   SH_VA_START (args, format);
 
   vfprintf (stderr, format, args);
+  if (errstr())
+    fprintf (stderr, ", %s", errstr());
   va_end (args);
   fprintf (stderr, "\n");
 }