[patch] Enable column information by default

[David Blaikie]

Change itself looks fine - will wait to chat about the GDB 7.5
regressions, whether they apply to GDB <latest> or ToT, whether
they're important, etc.

On Wed, Jul 9, 2014 at 6:28 PM, Diego Novillo <dnovillo at google.com> wrote:
> This patch implements my proposal to turn column information by
> default. Some background and discussion at:
>
> http://lists.cs.uiuc.edu/pipermail/llvmdev/2014-June/074290.html
>
> David, as we discussed offline, I did not see any regressions in the
> gdb testsuite on gdb's trunk. I will try with the instructions you
> gave me for gdb 7.5 tomorrow.
>
> This also updates the documentation and some tests that relied on the
> lack of column information. Some tests had column information in the
> expected output, but it was wrong (the tsan tests). Others were using
> the driver to execute.
>
> Tested on x86_64. Anything else I should test?
>
>
> Thanks.  Diego.