{"ast_node_type":"other","tokens":[{"end":246,"kind":"keyword","start":0,"text":"//!"}]}
//! ; ret   _0      -          Pair(ArgAttributes { regular: NoUndef, arg_ext: None, pointee_size: Size(0 bytes), pointee_align: None }, ArgAttributes { regular: NoUndef, arg_ext: None, pointee_size: Size(0 bytes), pointee_align: None }) (u8, u8)
//! ; ssa   _0    (u8, u8)                          2b 1                var=(0, 1)
//! ; arg   _1      -          Ignore                               IsNotEmpty