[Bug ld/27311] ld.bfd (symbol from plugin): undefined reference to symbol since b1a92c635c1ec10fd703302ce1fc4ab3a8515a04

[cvs-commit at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=27311

--- Comment #8 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot 
gnu.org> ---
The master branch has been updated by Alan Modra <amodra@sourceware.org>:

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=9918bff7cf2a566aaa2036d2242a61c140652dc7

commit 9918bff7cf2a566aaa2036d2242a61c140652dc7
Author: Alan Modra <amodra@gmail.com>
Date:   Tue Feb 2 15:05:14 2021 +1030

    PR27311, ld.bfd (symbol from plugin): undefined reference

    A default versioned symbol definition in a shared library is
    overridden by an unversioned definition in a regular object file, and
    thus should not be reason to make an as-needed library needed.

    bfd/
            PR 27311
            * elflink.c (_bfd_elf_add_default_symbol): Add override parameter.
            Use when handling default versioned symbol.  Rename existing
            override variable to nondef_override and use for non-default
            versioned symbol.
            (elf_link_add_object_symbols): Adjust call to suit.  Don't
            pull in as-needed libraries when override is set.
    ld/
            * testsuite/ld-plugin/pr27311.d,
            * testsuite/ld-plugin/pr27311.ver,
            * testsuite/ld-plugin/pr27311a.c,
            * testsuite/ld-plugin/pr27311b.c,
            * testsuite/ld-plugin/pr27311c.c: New testcase.
            * testsuite/ld-plugin/lto.exp: Run it.  Correct PR14918 and
            PR12982 entries.

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