[Bug ld/20103] Program received signal SIGSEGV, Segmentation fault

[cvs-commit at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=20103

--- Comment #1 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot 
gnu.org> ---
The master branch has been updated by H.J. Lu <address@hidden>:

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=b95a0a3177bcf797c8f5ad6a7d276fb6275352b7

commit b95a0a3177bcf797c8f5ad6a7d276fb6275352b7
Author: H.J. Lu <address@hidden>
Date:   Wed May 25 08:40:52 2016 -0700

    Skip an archive element if not added by linker

    During archive rescan to resolve symbol references for files added by
    LTO, linker add_archive_element callback is called to check if an
    archive element should added.  After all IR symbols have been claimed,
    linker won't claim new IR symbols and shouldn't add the LTO archive
    element.  This patch updates linker add_archive_element callback to
    return FALSE when seeing an LTO archive element during rescan and
    changes ELF linker to skip such archive element.

    bfd/

        PR ld/20103
        * cofflink.c (coff_link_check_archive_element): Return TRUE if
        linker add_archive_element callback returns FALSE.
        * ecoff.c (ecoff_link_check_archive_element): Likewise.
        * elf64-ia64-vms.c (elf64_vms_link_add_archive_symbols): Skip
        archive element if linker add_archive_element callback returns
        FALSE.
        * elflink.c (elf_link_add_archive_symbols): Likewise.
        * pdp11.c (aout_link_check_ar_symbols): Likewise.
        * vms-alpha.c (alpha_vms_link_add_archive_symbols): Likewise.
        * xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Likewise.
        (xcoff_link_check_ar_symbols): Likewise.

    ld/

        PR ld/20103
        * ldmain.c (add_archive_element): Don't claim new IR symbols
        after all IR symbols have been claimed.
        * plugin.c (plugin_call_claim_file): Remove no_more_claiming
        check.
        * testsuite/ld-plugin/lto.exp (pr20103): New proc.
        Run PR ld/20103 tests.
        * testsuite/ld-plugin/pr20103a.c: New file.
        * testsuite/ld-plugin/pr20103b.c: Likewise.
        * testsuite/ld-plugin/pr20103c.c: Likewise.

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