[Bug ld/18841] Data relocations with IFUNC symbols can lead to segfault

[cvs-commit at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=18841

--- Comment #17 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot 
gnu.org> ---
The master branch has been updated by Christophe Lyon <clyon@sourceware.org>:

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=2b70b1b838388cc4186933a724eccd0be6b2a955

commit 2b70b1b838388cc4186933a724eccd0be6b2a955
Author: Christophe Lyon <christophe.lyon@arm.com>
Date:   Mon Jan 2 15:46:31 2023 +0000

    Fix PR18841 ifunc relocation ordering

    In order to get the ifunc relocs properly sorted the correct class
    needs to be returned.  The code mimics what has been done for AArch64.

    Fixes:
    FAIL: Run pr18841 with libpr18841b.so
    FAIL: Run pr18841 with libpr18841c.so
    FAIL: Run pr18841 with libpr18841bn.so (-z now)
    FAIL: Run pr18841 with libpr18841cn.so (-z now)

            bfd/
            PR ld/18841
            * elf32-arm.c (elf32_arm_reloc_type_class): Return
            reloc_class_ifunc for ifunc symbols.

            ld/testsuite/
            * ld-arm/ifunc-12.rd: Update relocations order.
            * ld-arm/ifunc-3.rd: Likewise.
            * ld-arm/ifunc-4.rd: Likewise.

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