llvm-project

654c4bc2 - [NFC] Updating RTS0 namespace to contain all elements related to it's representation (#141173)

[NFC] Updating RTS0 namespace to contain all elements related to it's representation (#141173) As requested in a previous PR, this change moves all structs related to RTS0 to RTS0 namespace. --------- Co-authored-by: joaosaffran <joao.saffran@microsoft.com>