[PATCH] Work around incorrect/broken pathnames in NT_FILE note

[Luis Machado]

Kevin,

On 8/11/20 2:02 PM, Kevin Buettner wrote:
> On Sun, 9 Aug 2020 01:19:43 -0700
> Kevin Buettner via Gdb-patches <gdb-patches@sourceware.org> wrote:
> 
>> That new failure is expected in your docker environment.  It might
>> be possible to XFAIL it.  We need to be able to detect that we're
>> running in docker with the AUFS storage driver.  Since we know that
>> the kernel is leaking docker host paths, we should see these when the
>> "info proc mappings" command is used with a loaded core file.  I'll
>> give it a try...
> 
> It turned out that there's an even easier way to XFAIL this case.
> See below...

Great! I tried this and it looks sane. I get one XFAIL in 
gdb.base/corefile.exp and full passes on gdb.base/corefile2.exp.

Thanks for addressing this.