* Changes to get LLVM unit tests building
This change gets the LLVM unit tests building again and running through
LIT via the `check-llvm-unit` target.
This change does not have the tests passing! Subsequent changes will
get the unit tests passing. This change also disables some tests where
the LLVM code is no longer used and making those tests work will
require substantial effort.
* Changes to get Clang unit tests building
This change gets the Clang unit tests building again and running
through LIT via the `check-clang-unit` target.
This change does not have the tests passing! Subsequent changes will
get the unit tests passing. This change also disables some tests where
the Clang code is no longer used and making those tests work will
require substantial effort.
* A few extra Windows fixes
This adds some missing APIs to the Windows Filesystem code and adds an
option to hctbuild to enable building the LLVM & Clang unit tests.
* Disable libClangFormat tests
These tests are a bit gnarly to repair... unless we really start using
the format library we probably just want to disable these tests.
0a0ed9f50b