-resource-dir can be used to inject non-standard resource dirs via the lit site config. llvm-svn: 251021
With this, site specific lit configs can inject parameters into the test scripts if they need site specific parameters. Next up: enable check_clang_tidy to take a resource dir to enable non-standard locations for builtin includes. llvm-svn: 251010
http://reviews.llvm.org/D12231 llvm-svn: 245703