This patch is a Ping.
Details regarding this patch can be found in v1 and v2.

v1: https://lists.openembedded.org/g/openembedded-core/topic/patch_llvm_enable/117252728
v2: https://lists.openembedded.org/g/openembedded-core/topic/patch_v2_llvm_enable/117274480

It was included in master-next but has since been omitted.
Therefore, I am sending a gentle ping.