This reverts commit 4b6c608615a285d81132acf8e33b81b2ec2c9bf9 and follow-up commits 159de3633640a5cb2d322ebe8cc4ec0c1c9a896d and c9e1c52e2e75a91a44a98df818cc9bd11655e51d because this breaks TestDAP_stepInTargets.py on Darwin. https://green.lab.llvm.org/job/llvm.org/view/LLDB/job/as-lldb-cmake