[Bug ld/29216] [2.39 Regression] IFUNC function pointer reference equality failure

[cvs-commit at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=29216

--- 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 <hjl@sourceware.org>:

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=98a1627f19ca125476d5d58d9999c7a8d381f403

commit 98a1627f19ca125476d5d58d9999c7a8d381f403
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Tue May 31 15:38:19 2022 -0700

    x86: Properly handle IFUNC function pointer reference

    Update

    commit 68c4956b1401de70173848a6bdf620cb42fa9358
    Author: H.J. Lu <hjl.tools@gmail.com>
    Date:   Tue Apr 26 09:08:54 2022 -0700

        x86: Properly handle function pointer reference

    to properly handle IFUNC function pointer reference.  Since IFUNC symbol
    value is only known at run-time, set pointer_equality_needed for IFUNC
    function pointer reference in PDE so that it will be resolved to its PLT
    entry directly.

    bfd/

            PR ld/29216
            * elf32-i386.c (elf_i386_scan_relocs): Set pointer_equality_needed
            for IFUNC function pointer reference in PDE.
            * elf64-x86-64.c (elf_x86_64_scan_relocs): Likewise.

    ld/

            PR ld/29216
            * testsuite/ld-ifunc/ifunc.exp: Run PR ld/29216 test.
            * testsuite/ld-ifunc/pr29216.c: New file.

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