[Bug gold/22291] New: GOLD silently produces an nonworking dynamic executable

[nickc at redhat dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=22291

            Bug ID: 22291
           Summary: GOLD silently produces an nonworking dynamic
                    executable
           Product: binutils
           Version: 2.30 (HEAD)
            Status: NEW
          Severity: normal
          Priority: P2
         Component: gold
          Assignee: ccoutant at gmail dot com
          Reporter: nickc at redhat dot com
                CC: ian at airs dot com
  Target Milestone: ---

Created attachment 10525
  --> https://sourceware.org/bugzilla/attachment.cgi?id=10525&action=edit
shell script to reproduce the problem.  Run with either "bfd" or "gold" as an
argument

When linking a dynamic executable that references the start and stop symbols of
an orphan section in a shared library, GOLD will generate unresolvable
relocations.  Vis:

  $ sh ./reproducer bfd
  (for cleanup, run: rm -f -- lib_conftest.so conftest conftest.o)

  $ sh ./reproducer.sh gold
  ./conftest: Symbol `__start___verbose' causes overflow in R_X86_64_32
relocation
  ./conftest: error while loading shared libraries: unexpected reloc type 0x0b
  (for cleanup, run: rm -f -- lib_conftest.so conftest conftest.o)

This is on an x86_64 native system.  Other hosts have not been tried but might
have similar problems.

This issue has also been reported as a Fedora bug here:
https://bugzilla.redhat.com/show_bug.cgi?id=1500898

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