https://sourceware.org/bugzilla/show_bug.cgi?id=23527
--- Comment #3 from H.J. Lu <hjl.tools at gmail dot com> ---
(In reply to Sergei Trofimovich from comment #2)
> Bisected the change to:
>
> bd7ab16b4537788ad53521c45469a1bdae84ad4a is the first bad commit
> commit bd7ab16b4537788ad53521c45469a1bdae84ad4a
> Author: H.J. Lu <hjl.to...@gmail.com>
> Date: Tue Feb 13 07:34:22 2018 -0800
>
> x86-64: Generate branch with PLT32 relocation
>
> Since there is no need to prepare for PLT branch on x86-64, generate
> R_X86_64_PLT32, instead of R_X86_64_PC32, if possible, which can be
> used as a marker for 32-bit PC-relative branches.
This commit includes:
PR gas/22791
* elf64-x86-64.c (is_32bit_relative_branch): Removed.
(elf_x86_64_relocate_section): Check PIC relocations in PIE.
Remove is_32bit_relative_branch usage. Disallow PC32 reloc
against protected function in shared object.
is_32bit_relative_branch is a kludge which is removed. R_X86_64_PLT32
should be used here as a marker for external branches. clang should be
changed to generate R_X86_64_PLT32 for branches to external symbols. Or
you can use GNU assembler to work around this issue.
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