libcxx/cmake/caches/Generic-ubsan.cmake

set(LLVM_USE_SANITIZER "Undefined" CACHE STRING "")
set(LIBCXX_ABI_UNSTABLE ON CACHE BOOL "")
set(LIBCXX_TEST_PARAMS "enable_modules=clang" CACHE STRING "")
set(LIBCXXABI_TEST_PARAMS "${LIBCXX_TEST_PARAMS}" CACHE STRING "")