r191394 - Produce an error for unknown -f options.

[Eli Friedman]

On Wed, Sep 25, 2013 at 5:42 PM, Nick Lewycky <nlewycky at google.com> wrote:

> On 25 September 2013 12:07, Rafael Espindola <rafael.espindola at gmail.com>wrote:
>
>> Author: rafael
>> Date: Wed Sep 25 14:07:08 2013
>> New Revision: 191394
>>
>> URL: http://llvm.org/viewvc/llvm-project?rev=191394&view=rev
>> Log:
>> Produce an error for unknown -f options.
>>
>
> Err, we aren't ready for this. If we're going to do this, could you stage
> it such that the gcc flags are added but ignored, then we error on unknown
> options?
>

This is already how it works.  If our list of ignored gcc -f flags isn't
complete enough, that's simple to fix.

-Eli
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