commit bash-20190104 snapshot

execute_cmd.c

@@ -4504,6 +4504,9 @@ run_builtin:
 		  if (builtin_is_special)
 		    special_builtin_failed = 1;	/* XXX - take command builtin into account? */
 		}
+	      else
+		special_builtin_failed = builtin_is_special && result != EXECUTION_SUCCESS;
+
 	      /* In POSIX mode, if there are assignment statements preceding
 		 a special builtin, they persist after the builtin
 		 completes. */