Library /sys$common/syshlp/dbg$help.hlb DEBUG, Messages, CPREDECR  *Conan The Librarian (sorry for the slow response - running on an old VAX)

 side effect on pre-decrement operation not performed

    Facility: DEBUG, VMS Debugger

    Explanation: The debugger does not support the evaluation of a
    pre-decrement expression.

    User Action: None