[PATCH] D28313: Change which input sections we concatenate

[Rafael Avila de Espindola via llvm-commits]

This is https://llvm.org/bugs/show_bug.cgi?id=31619, right? I will take
a look.

Ed Maste via Phabricator <reviews at reviews.llvm.org> writes:

> emaste added a comment.
>
> FreeBSD EFI loader build now fails with:
>
>   --- all_subdir_sys ---
>   /tank/emaste/obj/tank/emaste/src/freebsd-xlld/tmp/usr/bin/ld: error: Section has different type from others with the same name copy.o:(.bss)
>   /tank/emaste/obj/tank/emaste/src/freebsd-xlld/tmp/usr/bin/ld: error: Section has different type from others with the same name devicename.o:(.bss)
>   /tank/emaste/obj/tank/emaste/src/freebsd-xlld/tmp/usr/bin/ld: error: Section has different type from others with the same name main.o:(.bss)
>   /tank/emaste/obj/tank/emaste/src/freebsd-xlld/tmp/usr/bin/ld: error: Section has different type from others with the same name smbios.o:(.bss)
>   /tank/emaste/obj/tank/emaste/src/freebsd-xlld/tmp/usr/bin/ld: error: Section has different type from others with the same name zfs.o:(.bss)
>   /tank/emaste/obj/tank/emaste/src/freebsd-xlld/tmp/usr/bin/ld: error: Section has different type from others with the same name elf64_freebsd.o:(.bss)
>   /tank/emaste/obj/tank/emaste/src/freebsd-xlld/tmp/usr/bin/ld: error: Section has different type from others with the same name trap.o:(.bss)
>   /tank/emaste/obj/tank/emaste/src/freebsd-xlld/tmp/usr/bin/ld: error: Section has different type from others with the same name comconsole.o:(.bss)
>   /tank/emaste/obj/tank/emaste/src/freebsd-xlld/tmp/usr/bin/ld: error: Section has different type from others with the same name boot.o:(.bss)
>   /tank/emaste/obj/tank/emaste/src/freebsd-xlld/tmp/usr/bin/ld: error: Section has different type from others with the same name interp.o:(.bss)
>   /tank/emaste/obj/tank/emaste/src/freebsd-xlld/tmp/usr/bin/ld: error: Section has different type from others with the same name interp_parse.o:(.bss)
>   /tank/emaste/obj/tank/emaste/src/freebsd-xlld/tmp/usr/bin/ld: error: Section has different type from others with the same name module.o:(.bss)
>   /tank/emaste/obj/tank/emaste/src/freebsd-xlld/tmp/usr/bin/ld: error: Section has different type from others with the same name load_elf32.o:(.bss)
>   /tank/emaste/obj/tank/emaste/src/freebsd-xlld/tmp/usr/bin/ld: error: Section has different type from others with the same name load_elf64.o:(.bss)
>   /tank/emaste/obj/tank/emaste/src/freebsd-xlld/tmp/usr/bin/ld: error: Section has different type from others with the same name disk.o:(.bss)
>   /tank/emaste/obj/tank/emaste/src/freebsd-xlld/tmp/usr/bin/ld: error: Section has different type from others with the same name bcache.o:(.bss)
>   /tank/emaste/obj/tank/emaste/src/freebsd-xlld/tmp/usr/bin/ld: error: Section has different type from others with the same name libefi.o:(.bss)
>   /tank/emaste/obj/tank/emaste/src/freebsd-xlld/tmp/usr/bin/ld: error: Section has different type from others with the same name efipart.o:(.bss)
>   /tank/emaste/obj/tank/emaste/src/freebsd-xlld/tmp/usr/bin/ld: error: Section has different type from others with the same name efinet.o:(.bss)
>   /tank/emaste/obj/tank/emaste/src/freebsd-xlld/tmp/usr/bin/ld: error: Section has different type from others with the same name efi_console.o:(.bss)
>   /tank/emaste/obj/tank/emaste/src/freebsd-xlld/tmp/usr/bin/ld: error: too many errors emitted, stopping now (use -error-limit=0 to see all errors)
>   cc: error: linker command failed with exit code 1 (use -v to see invocation)
>   *** [loader.sym.full] Error code 1
>
> Although the EFI loader worked prior to this change, the error is presumably identifying something we need to to fix in the loader.
>
> Could we perhaps indicate the conflicting type in the error message?
>
>
> https://reviews.llvm.org/D28313