(CommandList
  children: [
    (C {(set)} {(-e)})
    (CommandList
      children: [
        (Sentence
          child: 
            (Assignment
              keyword: Assign_None
              pairs: [
                (assign_pair
                  lhs: (LhsName name:common_objpfx)
                  op: Equal
                  rhs: {($ VSub_Number '$1')}
                  spids: [54]
                )
              ]
              spids: [54]
            )
          terminator: <Op_Semi ';'>
        )
        (C {(shift)})
      ]
    )
    (CommandList
      children: [
        (Sentence
          child: 
            (Assignment
              keyword: Assign_None
              pairs: [
                (assign_pair
                  lhs: (LhsName name:test_program_prefix_before_env)
                  op: Equal
                  rhs: {($ VSub_Number '$1')}
                  spids: [60]
                )
              ]
              spids: [60]
            )
          terminator: <Op_Semi ';'>
        )
        (C {(shift)})
      ]
    )
    (CommandList
      children: [
        (Sentence
          child: 
            (Assignment
              keyword: Assign_None
              pairs: [
                (assign_pair
                  lhs: (LhsName name:run_program_env)
                  op: Equal
                  rhs: {($ VSub_Number '$1')}
                  spids: [66]
                )
              ]
              spids: [66]
            )
          terminator: <Op_Semi ';'>
        )
        (C {(shift)})
      ]
    )
    (CommandList
      children: [
        (Sentence
          child: 
            (Assignment
              keyword: Assign_None
              pairs: [
                (assign_pair
                  lhs: (LhsName name:test_program_prefix_after_env)
                  op: Equal
                  rhs: {($ VSub_Number '$1')}
                  spids: [72]
                )
              ]
              spids: [72]
            )
          terminator: <Op_Semi ';'>
        )
        (C {(shift)})
      ]
    )
    (Assignment
      keyword: Assign_None
      pairs: [(assign_pair lhs:(LhsName name:status) op:Equal rhs:{(0)} spids:[79])]
      spids: [79]
    )
    (C {(trap)} {(DQ ('rm -f ') (${ VSub_Name common_objpfx) ('malloc/tst-mtrace.leak; exit 1'))} {(1)} 
      {(2)} {(15)}
    )
    (AndOr
      ops: [Op_DPipe]
      children: [
        (C {(${ VSub_Name test_program_prefix_before_env)} {(${ VSub_Name run_program_env)} 
          {(Lit_VarLike 'MALLOC_TRACE=') (${ VSub_Name common_objpfx) (malloc/tst-mtrace.leak)} {(${ VSub_Name test_program_prefix_after_env)} {(${ VSub_Name common_objpfx) (malloc/tst-mtrace)}
        )
        (Assignment
          keyword: Assign_None
          pairs: [(assign_pair lhs:(LhsName name:status) op:Equal rhs:{(1)} spids:[129])]
          spids: [129]
        )
      ]
    )
    (If
      arms: [
        (if_arm
          cond: [
            (Sentence
              child: 
                (AndOr
                  ops: [Op_DAmp]
                  children: [
                    (C {(test)} {($ VSub_Name '$status')} {(-eq)} {(0)})
                    (C {(test)} {(-f)} {(${ VSub_Name common_objpfx) (malloc/mtrace)})
                  ]
                )
              terminator: <Op_Semi ';'>
            )
          ]
          action: [
            (AndOr
              ops: [Op_DPipe]
              children: [
                (SimpleCommand
                  words: [
                    {(${ VSub_Name common_objpfx) (malloc/mtrace)}
                    {(${ VSub_Name common_objpfx) (malloc/tst-mtrace.leak)}
                  ]
                  redirects: [
                    (Redir
                      op: <Redir_Great '>'>
                      fd: 16777215
                      arg_word: {(${ VSub_Name common_objpfx) (malloc/tst-mtrace.out)}
                    )
                  ]
                )
                (Assignment
                  keyword: Assign_None
                  pairs: [(assign_pair lhs:(LhsName name:status) op:Equal rhs:{(1)} spids:[178])]
                  spids: [178]
                )
              ]
            )
          ]
          spids: [16777215 155]
        )
      ]
      spids: [16777215 181]
    )
    (C {(rm)} {(-f)} {(${ VSub_Name common_objpfx) (malloc/tst-mtrace.leak)})
    (ControlFlow token:<ControlFlow_Exit exit> arg_word:{($ VSub_Name '$status')})
  ]
)