r217546 - Only override the target architecture on -m32 and friends if it is

[Chad Rosier]

> On Thu, Sep 11, 2014 at 10:08:18AM -0700, Hans Wennborg wrote:
>> On Wed, Sep 10, 2014 at 2:46 PM, Joerg Sonnenberger
>> <joerg at britannica.bec.de> wrote:
>> > On Wed, Sep 10, 2014 at 09:25:37PM -0000, Joerg Sonnenberger wrote:
>> >> Author: joerg
>> >> Date: Wed Sep 10 16:25:37 2014
>> >> New Revision: 217546
>> >>
>> >> URL: http://llvm.org/viewvc/llvm-project?rev=217546&view=rev
>> >> Log:
>> >> Only override the target architecture on -m32 and friends if it is
>> >> actually different. Fixes a surprising link error with nodejs on rpi,
>> >> where armv6-netbsd-eabihf turned into armv5e-netbsd-eabihf, which
>> >> doesn't lacks the necessary VFP support.
>> >
>> > This should be merged into the 3.5 branch, but I am not sure who is
>> > responsible for maintaining it?
>>
>> Tom said he would do 3.5.1.
>
> This looks OK to me, can you get approval from the code owner?

LGTM.

However, I'd prefer the lit test use a single FileCheck, rather than many
grep commands.  That change only needs to make it to mainline.

 Chad