// ASM stream Phase A.1 — `asm { … }` PARSES into an AsmExpr: template, named
// value outputs (`[quot] "={rax}" -> u64`), register-pinned inputs, and a
// `clobbers(.…)` clause are all accepted with no parse error. Codegen is not
// implemented yet (the IR op + LLVM emit land in Phases C–E), so lowering bails
// LOUD + named. This example pins that intermediate diagnostic; a later phase
// turns it into a running multi-return example. Called from `main` so lowering
// actually reaches the asm body (lazy lowering skips uncalled functions).
divmod :: (n: u64, d: u64) -> (quot: u64, rem: u64) {
    return asm {
        "divq %[d]",
        [quot] "={rax}" -> u64,
        [rem]  "={rdx}" -> u64,
        "{rax}" = n,  "{rdx}" = 0,  [d] "r" = d,
        clobbers(.cc),
    };
}

main :: () {
    q, r := divmod(17, 5);
}