[Bug ld/16746] ld complains about .gnu.warning symbols referenced by linker plugin inputs

[cvs-commit at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=16746

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The branch, hjl/lto-mixed has been created
        at  2daaadb4e82667d67e5bb868f39207f4687feb3c (commit)

- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=2daaadb4e82667d67e5bb868f39207f4687feb3c

commit 2daaadb4e82667d67e5bb868f39207f4687feb3c
Author: H.J. Lu <address@hidden>
Date:   Tue Mar 25 13:33:51 2014 -0700

    Don't issue a warning for reference in LTO IR

    References in LTO IR may be removed by LTO later.  Instead, make a
    warning symbol if needed.  Warnings will be handled after LTO resolves
    all references.

    bfd/

        PR ld/16746
        * linker.c (_bfd_generic_link_add_one_symbol): Don't issue a
        warning for reference in LTO IR which may be removed by LTO later.

    ld/testsuite/

        PR ld/16746
        * ld-plugin/lto.exp: Add 4 tests for PR ld/16746.
        * ld-plugin/pr16746a.c: New file.
        * ld-plugin/pr16746b.c: Likewise.
        * ld-plugin/pr16746c.c: Likewise.
        * ld-plugin/pr16746d.c: Likewise.

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=1a69ad69ab87d0b518afcfd5df5687b729a9d918

commit 1a69ad69ab87d0b518afcfd5df5687b729a9d918
Author: H.J. Lu <address@hidden>
Date:   Fri Mar 7 12:18:30 2014 -0800

    Don't check the plugin target twice

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=37db573f3bacd40d134145ca532a9d8401450a89

commit 37db573f3bacd40d134145ca532a9d8401450a89
Author: H.J. Lu <address@hidden>
Date:   Fri Mar 7 10:51:47 2014 -0800

    Add test for nm on mixed LTO/non-LTO object

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=ec8ebecb54c20cd14b399bea61709bf4373e0c72

commit ec8ebecb54c20cd14b399bea61709bf4373e0c72
Author: H.J. Lu <address@hidden>
Date:   Mon Nov 4 09:17:45 2013 -0800

    Add lto and none-lto input support for ld -r

    This patch adds lto and none-lto input support for ld -r so that
    LTO can be used with ld -r without Makefile changes.  It is useful
    for Linux kernel build with LTO.

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