REGS_UNALLOCATED 3396 regex.cpp            bufp->regs_allocated = REGS_UNALLOCATED;
REGS_UNALLOCATED 4027 regex.cpp                    if (bufp->regs_allocated == REGS_UNALLOCATED)
REGS_UNALLOCATED 5371 regex.cpp        bufp->regs_allocated = REGS_UNALLOCATED;