re PR libfortran/17631 (libfortran: intrinsic subroutine MVBITS not implemented)

re PR libfortran/17631 (libfortran: intrinsic subroutine MVBITS not implemented)

PR fortran/17631
fortran/
* intrinsic.c (add_sym_5): Remove.
(add_subroutines): Add resolution function for MVBITS.
* intrinsic.h (gfc_resolve_mvbits): Declare resolution function for
MVBITS
* iresolve.c (gfc_resolve_mvbits): New function.
(gfc_resolve_random_number): Remove empty line at end of function.
libgfortran/
* Makefile.am (gfor_helper_src): Add intrinsics/mvbits.h.
* intrinsics/mvbits.h: New file.
testsuite/
* gfortran.fortran-torture/execute/intrinsic_mvbits.f90: New test.

From-SVN: r88527