uninitialized value of "description".
+2014-04-15  Doug Evans  <dje@google.com>
+
+       * gdb.gdb/selftest.exp (do_steps_and_nexts): Don't reference
+       uninitialized value of "description".
+
 2014-04-15  Keith Seitz  <keiths@redhat.com>
 
        * gdb.mi/mi-simplerun.exp (test_breakpoints_creation_and_listing):
 
                set command "next"
            }
            -re ".*$gdb_prompt $" {
-               fail "unknown source line after $description"
+               # If $description hasn't been set yet, it's likely the file
+               # has been edited but gdb hasn't been recompiled.
+               if [info exists description] {
+                   fail "unknown source line (after $description)"
+               } else {
+                   fail "unknown source line"
+               }
                return
            }
            default {