rb_str_casemap   5897 string.c       	str_shared_replace(str, rb_str_casemap(str, &flags, enc));
rb_str_casemap   5963 string.c       	str_shared_replace(str, rb_str_casemap(str, &flags, enc));
rb_str_casemap   6059 string.c       	str_shared_replace(str, rb_str_casemap(str, &flags, enc));
rb_str_casemap   6114 string.c       	str_shared_replace(str, rb_str_casemap(str, &flags, enc));