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[Bug binutils/23460] New: regression: ar can not create archive contain


From: bug at bszx dot eu
Subject: [Bug binutils/23460] New: regression: ar can not create archive containing many (>1024) lto object files
Date: Fri, 27 Jul 2018 06:06:12 +0000

https://sourceware.org/bugzilla/show_bug.cgi?id=23460

            Bug ID: 23460
           Summary: regression:  ar can not create archive containing many
                    (>1024) lto object files
           Product: binutils
           Version: 2.31
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: binutils
          Assignee: unassigned at sourceware dot org
          Reporter: bug at bszx dot eu
  Target Milestone: ---

Created attachment 11155
  --> https://sourceware.org/bugzilla/attachment.cgi?id=11155&action=edit
strace output recorded during invocation  of version 2.31 of ar

Version 2.31 of ar invoked with 2113 object files ( ar  cqs libQtWebKit.a
.obj/release-static/YarrInterpreter.o .obj/release-static/YarrPattern.o ... )
complains about plugin for some of them. Eg.:

ar: .obj/release-static/qrc_WebCore.o: plugin needed to handle lto object

According to strace, ar opens every object file twice but closes once and
reaches the limit on the number of open files.

Version 2.30 of ar works.

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