(command.CommandList
  children: [
    (command.Pipeline
      children: [
        (C {(echo)} {(DQ ('int foo(void) { char X[200]; return 3; }'))})
        (command.Simple
          words: [
            {($ Id.VSub_Star '$*')}
            {(-S)}
            {(-x)}
            {(c)}
            {(-c)}
            {(-O0)}
            {(-mcmodel) (Id.Lit_Equals '=') (kernel)}
            {(-fstack-protector)}
            {(-)}
            {(-o)}
            {(-)}
          ]
          redirects: [
            (redir.Redir
              op: (Token id:Id.Redir_Great val:'2>' span_id:36)
              fd: 2
              arg_word: {(/dev/null)}
            )
          ]
        )
        (C {(grep)} {(-q)} {(DQ ('%gs'))})
      ]
      negated: F
    )
    (command.If
      arms: [
        (if_arm
          cond: [
            (command.Sentence
              child: 
                (C {(Id.Lit_LBracket '[')} {(DQ ($ Id.VSub_QMark '$?'))} {(-eq)} {(DQ (0))} 
                  {(Id.Lit_RBracket ']')}
                )
              terminator: (Token id:Id.Op_Semi val:';' span_id:66)
            )
          ]
          action: [(C {(echo)} {(y)})]
          spids: [50 68]
        )
      ]
      else_action: [(C {(echo)} {(n)})]
    )
  ]
)