prev_nelem       2528 maint/gnulib/lib/regexec.c       Idx dest_str_idx, prev_nelem, bkc_idx;
prev_nelem       2573 maint/gnulib/lib/regexec.c 	  prev_nelem = ((mctx->state_log[cur_str_idx] == NULL) ? 0
prev_nelem       2606 maint/gnulib/lib/regexec.c 	      && mctx->state_log[cur_str_idx]->nodes.nelem > prev_nelem)