r290392 - Make '-disable-llvm-optzns' an alias for '-disable-llvm-passes'.

[Hans Wennborg via cfe-commits]

Merged in r291951.

Thanks,
Hans

On Fri, Jan 13, 2017 at 11:46 AM, Chandler Carruth <chandlerc at gmail.com> wrote:
> Also need to pull in r291881. Sorry about that.
>
>
> On Thu, Jan 12, 2017 at 3:42 PM Hans Wennborg <hans at chromium.org> wrote:
>>
>> On Thu, Jan 12, 2017 at 3:01 PM, Chandler Carruth <chandlerc at gmail.com>
>> wrote:
>> >> This isn't quite right, it should either be left as-is or dropped
>> >> completely. This path was allowing people to spell "-mllvm
>> >> -disable-llvm-optzns" for legacy reasons, even though the correct
>> >> spelling is "-Xclang -disable-llvm-optzns". There's no need to add
>> >> legacy support for "-mllvm -disable-llvm-passes", since that never
>> >> worked.
>> >
>> >
>> > Yeah, I don't think this was even really intended.
>> >
>> > r291850+r291853 fix this to preserve -disable-llvm-optzns exactly as it
>> > was.
>> >
>> > I've alse followed up with Hans to make sure LLVM 4 gets this.
>>
>> Merged in r291860.
>>
>> Cheers,
>> Hans