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                child: 
                  (command.Simple
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                    more_env: []
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                    redirects: []
                    do_fork: T
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        )
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          rhs: (rhs_word__Empty)
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            (condition.Shell
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                      more_env: []
                      words: [
                        {<Id.Lit_LBracket '['>}
                        {(DQ ($ Id.VSub_Number 1))}
                        {<Id.Lit_Equals '='>}
                        {(DQ <--show-error>)}
                        {<Id.Lit_RBracket ']'>}
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                      redirects: []
                      do_fork: T
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            )
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          action: [
            (command.ShAssignment
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              pairs: [
                (AssignPair
                  left: <Id.Lit_VarLike 'SHOW_ERROR='>
                  lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'SHOW_ERROR='> name:SHOW_ERROR)
                  op: assign_op.Equal
                  rhs: {<1>}
                )
              ]
              redirects: []
            )
            (command.AndOr
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                  more_env: []
                  words: [{<shift>}]
                  redirects: []
                  do_fork: T
                )
                (command.Simple
                  blame_tok: <true>
                  more_env: []
                  words: [{<true>}]
                  redirects: []
                  do_fork: T
                )
              ]
              ops: [<Id.Op_DPipe _>]
            )
          ]
          spids: [15 33]
        )
      ]
      else_action: []
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      redirects: []
    )
    (command.ShAssignment
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      pairs: [
        (AssignPair
          left: <Id.Lit_VarLike 'gccplugins_dir='>
          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'gccplugins_dir='> name:gccplugins_dir)
          op: assign_op.Equal
          rhs: 
            {
              (CommandSub
                left_token: <Id.Left_DollarParen '$('>
                child: 
                  (command.Simple
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                    more_env: []
                    words: [{($ Id.VSub_Number 3)} {<-print-file-name> <Id.Lit_Equals '='> <plugin>}]
                    redirects: []
                    do_fork: T
                  )
                right: <Id.Eof_RParen _>
              )
            }
        )
      ]
      redirects: []
    )
    (command.ShAssignment
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      pairs: [
        (AssignPair
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          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'plugincc='> name:plugincc)
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          rhs: 
            {
              (CommandSub
                left_token: <Id.Left_DollarParen '$('>
                child: 
                  (command.Simple
                    blame_tok: <Id.VSub_Number '$1'>
                    more_env: []
                    words: [
                      {($ Id.VSub_Number 1)}
                      {<-E>}
                      {<-x>}
                      {<c> <Id.Lit_Other '+'> <Id.Lit_Other '+'>}
                      {<->}
                      {<-o>}
                      {<'/dev/null'>}
                      {<-I> (DQ (${ Id.VSub_Name srctree)) <'/gcc-plugins'>}
                      {<-I> (DQ (${ Id.VSub_Name gccplugins_dir)) <'/include'>}
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                    redirects: [
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                        loc: (redir_loc.Fd fd:2)
                        arg: {<1>}
                      )
                      (Redir
                        op: <Id.Redir_DLess '<<'>
                        loc: (redir_loc.Fd fd:0)
                        arg: 
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                            here_end_tok: <Id.Undefined_Tok ''>
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                              <Id.Right_DoubleQuote '"'>
                              <gcc-common.h>
                              <Id.Right_DoubleQuote '"'>
                              <'\n'>
                              <
'#if BUILDING_GCC_VERSION >= 4008 || defined(ENABLE_BUILD_WITH_CXX)\n'
                              >
                              <'#warning '>
                              ($ Id.VSub_Number 2)
                              <' CXX\n'>
                              <'#else\n'>
                              <'#warning '>
                              ($ Id.VSub_Number 1)
                              <' CC\n'>
                              <'#endif\n'>
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                          )
                      )
                    ]
                    do_fork: T
                  )
                right: <Id.Eof_RParen _>
              )
            }
        )
      ]
      redirects: []
    )
    (command.If
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      arms: [
        (IfArm
          keyword: <Id.KW_If if>
          cond: 
            (condition.Shell
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                  more_env: []
                  words: [
                    {<Id.Lit_LBracket '['>}
                    {($ Id.VSub_QMark '?')}
                    {<-ne>}
                    {<0>}
                    {<Id.Lit_RBracket ']'>}
                  ]
                  redirects: []
                  do_fork: T
                )
              ]
            )
          then_kw: <Id.KW_Then then>
          action: [
            (command.If
              if_kw: <Id.KW_If if>
              arms: [
                (IfArm
                  keyword: <Id.KW_If if>
                  cond: 
                    (condition.Shell
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                              more_env: []
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                                {<Id.Lit_LBracket '['>}
                                {<-n>}
                                {(DQ ($ Id.VSub_DollarName SHOW_ERROR))}
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                              redirects: []
                              do_fork: T
                            )
                          terminator: <Id.Op_Semi _>
                        )
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                    )
                  then_kw: <Id.KW_Then then>
                  action: [
                    (command.Simple
                      blame_tok: <echo>
                      more_env: []
                      words: [{<echo>} {(DQ (${ Id.VSub_Name plugincc))}]
                      redirects: [(Redir op:<Id.Redir_GreatAnd '>&'> loc:(redir_loc.Fd fd:1) arg:{<2>})]
                      do_fork: T
                    )
                  ]
                  spids: [132 146]
                )
              ]
              else_action: []
              fi_kw: <Id.KW_Fi fi>
              redirects: []
            )
            (command.ControlFlow keyword:<Id.ControlFlow_Exit exit> arg_word:{<1>})
          ]
          spids: [117 129]
        )
      ]
      else_action: []
      fi_kw: <Id.KW_Fi fi>
      redirects: []
    )
    (command.Case
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      to_match: (case_arg.Word w:{(DQ ($ Id.VSub_DollarName plugincc))})
      arms_start: <Id.KW_In in>
      arms: [
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          pattern: 
            (pat.Words
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            )
          middle: <Id.Right_CasePat _>
          action: [
            (command.Simple
              blame_tok: <echo>
              more_env: []
              words: [{<echo>} {(DQ ($ Id.VSub_Number 1))}]
              redirects: []
              do_fork: T
            )
            (command.ControlFlow keyword:<Id.ControlFlow_Exit exit> arg_word:{<0>})
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            (pat.Words
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          action: []
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          action: [(command.ControlFlow keyword:<Id.ControlFlow_Exit exit> arg_word:{<1>})]
          right: <Id.Op_DSemi _>
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      redirects: []
    )
    (command.ShAssignment
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      pairs: [
        (AssignPair
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          lhs: (sh_lhs_expr.Name left:<Id.Lit_VarLike 'plugincc='> name:plugincc)
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              (CommandSub
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                    more_env: []
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                    do_fork: T
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        )
      ]
      redirects: []
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    (command.If
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          cond: 
            (condition.Shell
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                  redirects: []
                  do_fork: T
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            )
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              blame_tok: <echo>
              more_env: []
              words: [{<echo>} {(DQ ($ Id.VSub_Number 2))}]
              redirects: []
              do_fork: T
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          spids: [300 312]
        )
      ]
      else_action: []
      fi_kw: <Id.KW_Fi fi>
      redirects: []
    )
    (command.If
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      arms: [
        (IfArm
          keyword: <Id.KW_If if>
          cond: 
            (condition.Shell
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                      more_env: []
                      words: [
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                        {<-n>}
                        {(DQ ($ Id.VSub_DollarName SHOW_ERROR))}
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                      redirects: []
                      do_fork: T
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                  terminator: <Id.Op_Semi _>
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          then_kw: <Id.KW_Then then>
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              do_fork: T
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      redirects: []
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)