[Bug ld/13250] New: unresolvable R_X86_64_64 relocations with ld --as-needed

[doko at debian dot org]

http://sourceware.org/bugzilla/show_bug.cgi?id=13250

             Bug #: 13250
           Summary: unresolvable R_X86_64_64 relocations with ld
                    --as-needed
           Product: binutils
           Version: 2.22
            Status: NEW
          Severity: normal
          Priority: P2
         Component: ld
        AssignedTo: address@hidden
        ReportedBy: address@hidden
    Classification: Unclassified


fails on the 2.22 branch and trunk, works with ld.gold on both the branch and
the trunk.

$ cat mpitest.f90
program main
include 'mpif.h'
integer ierr
call mpi_init(ierr)
end
$ mpif90 -Wl,--as-needed -g mpitest.f90 
/usr/bin/ld: /tmp/cc9rtjMR.o(.debug_info+0x493): unresolvable R_X86_64_64
relocation against symbol `mpi_fortran_argv_null_'
/usr/bin/ld: /tmp/cc9rtjMR.o(.debug_info+0x4ad): unresolvable R_X86_64_64
relocation against symbol `mpi_fortran_argv_null_'
/usr/bin/ld: /tmp/cc9rtjMR.o(.debug_info+0x523): unresolvable R_X86_64_64
relocation against symbol `mpi_fortran_errcodes_ignore_'
/usr/bin/ld: /tmp/cc9rtjMR.o(.debug_info+0x53d): unresolvable R_X86_64_64
relocation against symbol `mpi_fortran_errcodes_ignore_'

The undefined references to `__libc_csu_(init|fini)' are an artefact in the
self-contained testcase.

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