204         Regexp* newsub = child_args[i];  in PostVisit()  local
205         if (newsub != sub) {  in PostVisit()
212           Regexp* newsub = child_args[i];  in PostVisit()  local
213           newsub->Decref();  in PostVisit()
228       Regexp* newsub = child_args[0];  in PostVisit()  local
229       if (newsub == re->sub()[0]) {  in PostVisit()
230         newsub->Decref();  in PostVisit()
236       nre->sub()[0] = newsub;  in PostVisit()
245       Regexp* newsub = child_args[0];  in PostVisit()  local
248       if (newsub->op() == kRegexpEmptyMatch)  in PostVisit()
249         return newsub;  in PostVisit()
252       if (newsub == re->sub()[0]) {  in PostVisit()
253         newsub->Decref();  in PostVisit()
259       if (re->op() == newsub->op() &&  in PostVisit()
260           re->parse_flags() == newsub->parse_flags())  in PostVisit()
261         return newsub;  in PostVisit()
265       nre->sub()[0] = newsub;  in PostVisit()
271       Regexp* newsub = child_args[0];  in PostVisit()  local
274       if (newsub->op() == kRegexpEmptyMatch)  in PostVisit()
275         return newsub;  in PostVisit()
277       Regexp* nre = SimplifyRepeat(newsub, re->min_, re->max_,  in PostVisit()
279       newsub->Decref();  in PostVisit()