//     (or ppc64le.power8, ppc64le.power9, and ppc64le.power10)
//     feature build tags.
//   - For GOARCH=riscv64,
//     GORISCV64=rva20u64 and rva22u64 correspond to the riscv64.rva20u64
//     and riscv64.rva22u64 build tags.
//   - For GOARCH=wasm, GOWASM=satconv and signext
//     correspond to the wasm.satconv and wasm.signext feature build tags.
//