prev_nelem       2503 maint/gnulib/lib/regexec.c       Idx dest_str_idx, prev_nelem, bkc_idx;
prev_nelem       2548 maint/gnulib/lib/regexec.c 	  prev_nelem = ((mctx->state_log[cur_str_idx] == NULL) ? 0
prev_nelem       2581 maint/gnulib/lib/regexec.c 	      && mctx->state_log[cur_str_idx]->nodes.nelem > prev_nelem)