Zsolt Parragi authored Jul 06, 2019 and Brad King committed Jul 09, 2019

* Execute MSVCRuntimeLibrary tests for GNU command line mode Clang on
  Windows using the MSVC ABI
* Assembler tests should be executed with the Ninja generator
* Assembler tests shouldn't be executed with clang-cl
* Fixed a condition in the Preprocess test for clang-cl
* Adjusted the conditions on some MSVC specific tests