[CMake] CXX_CLANG_TIDY doesn't handle multiple arguments correctly

[Michael Ellery]

> On Nov 16, 2016, at 2:32 PM, Nikita <nikita.kakuev at gmail.com> wrote:
> 
> Indeed, specifying '-line-filter=[]' doesn't cause any troubles.
> Should I file a bug about this?
> 
> Regards,
> Nikita
> 

FWIW, I brought up the same issue a few weeks ago:

http://stackoverflow.com/questions/40433573/how-can-i-specify-additional-arguments-for-use-with-cmake-cxx-clang-tidy-variabl

http://public.kitware.com/pipermail/cmake/2016-November/064501.html

I think this is a bug, but wasn’t sure how to classify it.

-Mike