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From: "qcorba at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug c++/105851] New: Error: "Duplicate key positions selected" when
 recreating cfns.h
Date: Sun, 05 Jun 2022 02:37:51 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D105851

            Bug ID: 105851
           Summary: Error: "Duplicate key positions selected" when
                    recreating cfns.h
           Product: gcc
           Version: 5.3.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: qcorba at gmail dot com
  Target Milestone: ---

Below patch was applied to my gcc-5.3.0 build:
https://gcc.gnu.org/git/?p=3Dgcc.git;a=3Dcommitdiff;h=3Dec1cc0263f156f70693=
a62cf17b254a0029f4852

I tried to recreate cfns.h using:
$ gperf -o -C -E -k '1-6,$$' -j1 -D -N 'libc_name_p' -L C++ cfns.gperf cfns=
.h

But got error: Duplicate key positions selected

It would be successful if the key is changed to '1-6,$'.

Please check.=