[RISCV64] Make DFG, FTL, B3, WASM buildable on CPU(RISCV64)
Created attachment 448146 [details] Patch
Committed r287513 (245648@main): <https://commits.webkit.org/245648@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 448146 [details].
<rdar://problem/87045826>