Here's the thread on the LLVM development lists from when Lanai was proposed to be upstreamed with some good commentary about why it should be accepted even if

Here's the thread on the LLVM development lists from when Lanai was proposed to be upstreamed with some good commentary about why it should be accepted even if Google isn't willing to go into details: https://discourse.llvm.org/t/rfc-lanai-backend/39874 https://discourse.llvm.org/t/rfc-lanai-backend/39874