[Bug fortran/67140] New: undefined reference to _gfortran_mvbits_i16

[eskei.one at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67140

            Bug ID: 67140
           Summary: undefined reference to _gfortran_mvbits_i16
           Product: gcc
           Version: 4.8.4
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: fortran
          Assignee: unassigned at gcc dot gnu.org
          Reporter: eskei.one at gmail dot com
  Target Milestone: ---

Created attachment 36143
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=36143&action=edit
example that reproduces error in title

I've been using bit manipulation of long integers in ISO_C_BINDING (IBSET,
IBCLR, BTEST, IBITS) for a while now. Today I tried to do MVBITS between two
C_INT128_T and got the error in the title. I am attaching an example program.