/sys$common/syshlp/helplib.hlb FORTRAN, Error Messages, Compilation Errors, NODEPVOLAT  *Conan The Librarian (sorry for the slow response - running on an old VAX)

  SEVERITY:  I

  MESSAGE TEXT:  Dependence analysis inhibited due to volatile
  control variable

  EXPLANATION:  Dependence analysis is not performed on DO-loops that
  have a control variable that is declared volatile.