{"ast_node_type":"other","tokens":[{"end":64,"kind":"keyword","start":0,"text":"//"}]}
        // https://llvm.org/docs/LangRef.html#va-arg-instruction
        // the LLVM va_arg instruction.
        _ => bx.va_arg(addr.immediate(), bx.cx.layout_of(target_ty).llvm_type(bx.cx)),