[PATCH][PR symtab/17855] Testcase for ada

[Joel Brobecker]

> This patch extends gdb.ada/exec_changed.exp to exercise PR 17855.
> 
> 2015-01-18  Doug Evans  <xdje42@gmail.com>
> 
> 	PR symtab/17855
> 	* gdb.ada/exec_changed.exp: Add second test where symbol lookup cache
> 	is read after symbols have been re-read.
> 	* gdb.ada/exec_changed/first.adb (First): New procedure Break_Me.
> 	* gdb.ada/exec_changed/second.adb (Second): Ditto.

FWIW, looks good to me.

Thanks, Doug.
-- 
Joel