(command.CommandList
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        (if_arm
          cond: 
            (condition.Shell
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                  terminator: <Id.Op_Semi _>
                )
              ]
            )
          action: [
            (command.Simple
              words: [{<echo>} {(DQ ($ Id.VSub_Number '$0') <': missing program name'>)}]
              redirects: [(redir op:<Id.Redir_GreatAnd '>&'> loc:(redir_loc.Fd fd:1) arg:{<2>})]
              do_fork: T
            )
            (command.Simple
              words: [
                {<echo>}
                {
                  (DQ <'Try '> (word_part.EscapedLiteral token:<Id.Lit_EscapedChar '\\`'>) 
                    ($ Id.VSub_Number '$0') <' --help\' for more information.'>
                  )
                }
              ]
              redirects: [(redir op:<Id.Redir_GreatAnd '>&'> loc:(redir_loc.Fd fd:1) arg:{<2>})]
              do_fork: T
            )
            (command.ControlFlow token:<Id.ControlFlow_Exit exit> arg_word:{<1>})
          ]
          spids: [49 60]
        )
      ]
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:prog)
          op: assign_op.Equal
          rhs: {(DQ ($ Id.VSub_Number '$1'))}
          spids: [94]
        )
      ]
    )
    (C {<shift>})
    (command.If
      arms: [
        (if_arm
          cond: 
            (condition.Shell
              commands: [
                (command.Sentence
                  child: (C {<test>} {($ Id.VSub_Pound '$#')} {<-eq>} {<0>})
                  terminator: <Id.Op_Semi _>
                )
              ]
            )
          action: [
            (command.Case
              to_match: {(DQ ($ Id.VSub_DollarName '$prog'))}
              arms: [
                (case_arm
                  pat_list: [{<--h>} {<--he>} {<--hel>} {<--help>}]
                  action: [
                    (C {<echo>} {(SQ <'Usage: catchsegv PROGRAM ARGS...'>)})
                    (C {<echo>} {(SQ <'  --help      print this help, then exit'>)})
                    (C {<echo>} {(SQ <'  --version   print version number, then exit'>)})
                    (C {<echo>} {(SQ <'For bug reporting instructions, please see:'>)})
                    (command.Simple
                      words: [{<cat>}]
                      redirects: [
                        (redir
                          op: <Id.Redir_DLess '<<'>
                          loc: (redir_loc.Fd fd:0)
                          arg: 
                            (redir_param.HereDoc
                              here_begin: 
                                {(word_part.EscapedLiteral token:<Id.Lit_EscapedChar '\\E'>) <OF>}
                              here_end_span_id: 176
                              stdin_parts: [<'@REPORT_BUGS_TO@.\n'>]
                            )
                        )
                      ]
                      do_fork: T
                    )
                    (command.ControlFlow
                      token: <Id.ControlFlow_Exit exit>
                      arg_word: {<0>}
                    )
                  ]
                  spids: [125 138 183 -1]
                )
                (case_arm
                  pat_list: [{<--v>} {<--ve>} {<--ver>} {<--vers>} {<--versi>} {<--versio>} {<--version>}]
                  action: [
                    (C {<echo>} {(SQ <'catchsegv @PKGVERSION@@VERSION@'>)})
                    (C {<echo>} 
                      {
                        (SQ <'Copyright (C) 2016 Free Software Foundation, Inc.\n'> 
                          <
'This is free software; see the source for copying conditions.  There is NO\n'
                          > <'warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n'> 
                          <'Written by Ulrich Drepper.'>
                        )
                      }
                    )
                    (command.ControlFlow
                      token: <Id.ControlFlow_Exit exit>
                      arg_word: {<0>}
                    )
                  ]
                  spids: [186 211 236 -1]
                )
                (case_arm pat_list:[{<Id.Lit_Star '*'>}] spids:[239 240 243 -1])
              ]
            )
          ]
          spids: [102 113]
        )
      ]
    )
    (command.AndOr
      ops: [Id.Op_DPipe]
      children: [
        (command.ShAssignment
          pairs: [
            (assign_pair
              lhs: (sh_lhs_expr.Name name:segv_output)
              op: assign_op.Equal
              rhs: 
                {
                  (command_sub
                    left_token: <Id.Left_Backtick '`'>
                    child: 
                      (C {<mktemp>} 
                        {
                          (braced_var_sub
                            token: <Id.VSub_Name TMPDIR>
                            suffix_op: 
                              (suffix_op.Unary
                                tok: <Id.VTest_ColonHyphen ':-'>
                                arg_word: {<Id.Lit_Slash '/'> <tmp>}
                              )
                          ) <'/segv_output.XXXXXX'>
                        }
                      )
                  )
                }
              spids: [251]
            )
          ]
        )
        (command.ControlFlow token:<Id.ControlFlow_Exit exit>)
      ]
    )
    (command.Subshell
      child: 
        (command.CommandList
          children: [
            (command.Simple
              words: [{<exec>}]
              redirects: [
                (redir op:<Id.Redir_GreatAnd '3>&'> loc:(redir_loc.Fd fd:3) arg:{<2>})
                (redir
                  op: <Id.Redir_Great '2>'>
                  loc: (redir_loc.Fd fd:2)
                  arg: {<'/dev/null'>}
                )
              ]
              do_fork: T
            )
            (command.Simple
              words: [
                {(DQ ($ Id.VSub_DollarName '$prog'))}
                {
                  (braced_var_sub
                    token: <Id.VSub_Number 1>
                    suffix_op: 
                      (suffix_op.Unary
                        tok: <Id.VTest_Plus '+'>
                        arg_word: {(DQ ($ Id.VSub_At '$@'))}
                      )
                  )
                }
              ]
              redirects: [
                (redir op:<Id.Redir_GreatAnd '2>&'> loc:(redir_loc.Fd fd:2) arg:{<3>})
                (redir op:<Id.Redir_GreatAnd '3>&'> loc:(redir_loc.Fd fd:3) arg:{<->})
              ]
              more_env: [
                (env_pair
                  name: LD_PRELOAD
                  val: 
                    {
                      (braced_var_sub
                        token: <Id.VSub_Name LD_PRELOAD>
                        suffix_op: 
                          (suffix_op.Unary
                            tok: <Id.VTest_ColonPlus ':+'>
                            arg_word: {(${ Id.VSub_Name LD_PRELOAD) <':'>}
                          )
                      ) <Id.Lit_Splice '@SLIB'> <Id.Lit_At '@'> <'/libSegFault.so'>
                    }
                  spids: [283]
                )
                (env_pair name:SEGFAULT_USE_ALTSTACK val:{<1>} spids:[297])
                (env_pair
                  name: SEGFAULT_OUTPUT_NAME
                  val: {($ Id.VSub_DollarName '$segv_output')}
                  spids: [301]
                )
              ]
              do_fork: T
            )
          ]
        )
    )
    (command.ShAssignment
      pairs: [
        (assign_pair
          lhs: (sh_lhs_expr.Name name:exval)
          op: assign_op.Equal
          rhs: {($ Id.VSub_QMark '$?')}
          spids: [324]
        )
      ]
    )
    (command.If
      arms: [
        (if_arm
          cond: 
            (condition.Shell
              commands: [
                (command.Sentence
                  child: (C {<test>} {<-s>} {(DQ ($ Id.VSub_DollarName '$segv_output'))})
                  terminator: <Id.Op_Semi _>
                )
              ]
            )
          action: [
            (command.Case
              to_match: {($ Id.VSub_DollarName '$prog')}
              arms: [
                (case_arm
                  pat_list: [{<Id.Lit_Star '*'> <'/'> <Id.Lit_Star '*'>}]
                  spids: [374 377 379 -1]
                )
                (case_arm
                  pat_list: [{<Id.Lit_Star '*'>}]
                  action: [
                    (command.ShAssignment
                      pairs: [
                        (assign_pair
                          lhs: (sh_lhs_expr.Name name:old_IFS)
                          op: assign_op.Equal
                          rhs: {($ Id.VSub_DollarName '$IFS')}
                          spids: [386]
                        )
                      ]
                    )
                    (command.ShAssignment
                      pairs: [
                        (assign_pair
                          lhs: (sh_lhs_expr.Name name:IFS)
                          op: assign_op.Equal
                          rhs: {<Id.Lit_Colon ':'>}
                          spids: [390]
                        )
                      ]
                    )
                    (command.ForEach
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                      iter_words: [{($ Id.VSub_DollarName '$PATH')}]
                      do_arg_iter: F
                      body: 
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                            (command.AndOr
                              ops: [Id.Op_DPipe]
                              children: [
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                                (command.ShAssignment
                                  pairs: [
                                    (assign_pair
                                      lhs: (sh_lhs_expr.Name name:p)
                                      op: assign_op.Equal
                                      rhs: {<.>}
                                      spids: [416]
                                    )
                                  ]
                                )
                              ]
                            )
                            (command.If
                              arms: [
                                (if_arm
                                  cond: 
                                    (condition.Shell
                                      commands: [
                                        (command.Sentence
                                          child: 
                                            (C {<test>} {<-f>} 
                                              {
                                                (DQ ($ Id.VSub_DollarName '$p') <'/'> 
                                                  ($ Id.VSub_DollarName '$prog')
                                                )
                                              }
                                            )
                                          terminator: <Id.Op_Semi _>
                                        )
                                      ]
                                    )
                                  action: [
                                    (command.ShAssignment
                                      pairs: [
                                        (assign_pair
                                          lhs: (sh_lhs_expr.Name name:prog)
                                          op: assign_op.Equal
                                          rhs: 
                                            {($ Id.VSub_DollarName '$p') <'/'> 
                                              ($ Id.VSub_DollarName '$prog')
                                            }
                                          spids: [436]
                                        )
                                      ]
                                    )
                                    (command.ControlFlow
                                      token: <Id.ControlFlow_Break break>
                                    )
                                  ]
                                  spids: [420 433]
                                )
                              ]
                            )
                          ]
                        )
                    )
                    (command.ShAssignment
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                        (assign_pair
                          lhs: (sh_lhs_expr.Name name:IFS)
                          op: assign_op.Equal
                          rhs: {($ Id.VSub_DollarName '$old_IFS')}
                          spids: [451]
                        )
                      ]
                    )
                  ]
                  spids: [382 383 455 -1]
                )
              ]
            )
            (C {<sed>} {(SQ <'/Backtrace/q'>)} {(DQ ($ Id.VSub_DollarName '$segv_output'))})
            (command.Pipeline
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                (C {<sed>} {(SQ <'1,/Backtrace/d'>)} {(DQ ($ Id.VSub_DollarName '$segv_output'))})
                (command.Subshell
                  child: 
                    (command.WhileUntil
                      keyword: <Id.KW_While while>
                      cond: 
                        (condition.Shell
                          commands: [
                            (command.Sentence
                              child: (C {<read>} {<line>})
                              terminator: <Id.Op_Semi _>
                            )
                          ]
                        )
                      body: 
                        (command.DoGroup
                          children: [
                            (command.ShAssignment
                              pairs: [
                                (assign_pair
                                  lhs: (sh_lhs_expr.Name name:line)
                                  op: assign_op.Equal
                                  rhs: 
                                    {
                                      (command_sub
                                        left_token: <Id.Left_Backtick '`'>
                                        child: 
                                          (command.Pipeline
                                            children: [
                                              (C {<echo>} {($ Id.VSub_DollarName '$line')})
                                              (C {<sed>} 
                                                {
                                                  (DQ <'s@^'> ($ Id.VSub_DollarName '$prog') 
                                                    <Id.Lit_BadBackslash '\\'> <'('> <Id.Lit_BadBackslash '\\'> <'[.*'> <Id.Lit_BadBackslash '\\'> <')@'> <Id.Lit_BadBackslash '\\'> 
                                                    <'1@'>
                                                  )
                                                }
                                              )
                                            ]
                                            negated: F
                                          )
                                      )
                                    }
                                  spids: [496]
                                )
                              ]
                            )
                            (command.Case
                              to_match: {(DQ ($ Id.VSub_DollarName '$line'))}
                              arms: [
                                (case_arm
                                  pat_list: [
                                    {(word_part.EscapedLiteral token:<Id.Lit_EscapedChar '\\['>) 
                                      <Id.Lit_Star '*'>
                                    }
                                  ]
                                  action: [
                                    (command.ShAssignment
                                      pairs: [
                                        (assign_pair
                                          lhs: (sh_lhs_expr.Name name:addr)
                                          op: assign_op.Equal
                                          rhs: 
                                            {
                                              (command_sub
                                                left_token: <Id.Left_Backtick '`'>
                                                child: 
                                                  (command.Pipeline
                                                    children: [
                                                      (C {<echo>} {(DQ ($ Id.VSub_DollarName '$line'))})
                                                      (C {<sed>} {(SQ <'s/^\\[\\(.*\\)\\]$/\\1/'>)})
                                                    ]
                                                    negated: F
                                                  )
                                              )
                                            }
                                          spids: [544]
                                        )
                                      ]
                                    )
                                    (command.ShAssignment
                                      pairs: [
                                        (assign_pair
                                          lhs: (sh_lhs_expr.Name name:complete)
                                          op: assign_op.Equal
                                          rhs: 
                                            {
                                              (command_sub
                                                left_token: <Id.Left_Backtick '`'>
                                                child: 
                                                  (command.Simple
                                                    words: [
                                                      {<addr2line>}
                                                      {<-f>}
                                                      {<-e>}
                                                      {(DQ ($ Id.VSub_DollarName '$prog'))}
                                                      {($ Id.VSub_DollarName '$addr')}
                                                    ]
                                                    redirects: [
                                                      (redir
                                                        op: <Id.Redir_Great '2>'>
                                                        loc: (redir_loc.Fd fd:2)
                                                        arg: {<'/dev/null'>}
                                                      )
                                                    ]
                                                    do_fork: T
                                                  )
                                              )
                                            }
                                          spids: [574]
                                        )
                                      ]
                                    )
                                    (command.If
                                      arms: [
                                        (if_arm
                                          cond: 
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                                              commands: [
                                                (command.Sentence
                                                  child: 
                                                    (C {<test>} {($ Id.VSub_QMark '$?')} {<-eq>} {<0>})
                                                  terminator: <Id.Op_Semi _>
                                                )
                                              ]
                                            )
                                          action: [
                                            (C {<echo>} 
                                              {
                                                (DQ 
                                                  (command_sub
                                                    left_token: <Id.Left_Backtick '`'>
                                                    child: 
                                                      (command.Pipeline
                                                        children: [
                                                          (C {<echo>} 
                                                            {(DQ ($ Id.VSub_DollarName '$complete'))}
                                                          )
                                                          (C {<sed>} 
                                                            {
                                                              (SQ 
                                                                <
'N;s/\\(.*\\)\\n\\(.*\\)/\\2(\\1)/;'
                                                                >
                                                              )
                                                            }
                                                          )
                                                        ]
                                                        negated: F
                                                      )
                                                  ) ($ Id.VSub_DollarName '$line')
                                                )
                                              }
                                            )
                                          ]
                                          spids: [595 606]
                                        )
                                      ]
                                      else_action: [(C {<echo>} {(DQ ($ Id.VSub_DollarName '$line'))})]
                                    )
                                  ]
                                  spids: [540 542 658 -1]
                                )
                                (case_arm
                                  pat_list: [{<Id.Lit_Star '*'>}]
                                  action: [(C {<echo>} {(DQ ($ Id.VSub_DollarName '$line'))})]
                                  spids: [661 662 671 -1]
                                )
                              ]
                            )
                          ]
                        )
                    )
                )
              ]
              negated: F
            )
          ]
          spids: [337 348]
        )
      ]
    )
    (C {<rm>} {<-f>} {(DQ ($ Id.VSub_DollarName '$segv_output'))})
    (command.ControlFlow
      token: <Id.ControlFlow_Exit exit>
      arg_word: {($ Id.VSub_DollarName '$exval')}
    )
  ]
)