test interpret
test run
set enable_llvm_abi_extensions=true
target riscv64

; This is a regression test for https://github.com/bytecodealliance/wasmtime/issues/4996.
function %issue4996() -> i128, i64 system_v {
    block0:
        v5 = iconst.i8 0
        brif v5, block1, block3  ; v5 = 0
    block1:
        v12 = iconst.i64 0
        v13 = uextend.i128 v12  ; v12 = 0
        jump block5(v13)

    block3:
        v20 = iconst.i64 0
        v21 = uextend.i128 v20  ; v20 = 0
        jump block5(v21)

    block5(v23: i128):
        v29 = iconst.i64 0
        return v23, v29  ; v29 = 0
}
; run: %issue4996() == [0,0]