[PATCH] GDB testsuite: Suppress GCC's colored output

[Yao Qi]

Andreas Arnez <arnez@linux.vnet.ibm.com> writes:

Hi Andreas,

> gdb/testsuite/ChangeLog:
>
> 	* lib/gdb.exp (universal_compile_options): New caching proc.
> 	(gdb_compile): Suppress GCC's coloring of messages.

Patch is good to me.

-- 
Yao (齐尧)