str_new_frozen    170 string.c       static VALUE str_new_frozen(VALUE klass, VALUE orig);
str_new_frozen    276 string.c       	    str = str_new_frozen(rb_cString, str);
str_new_frozen    283 string.c       		str = str_new_frozen(rb_cString, str);
str_new_frozen   1103 string.c           str = str_new_frozen(rb_obj_class(orig), orig);
str_new_frozen   1347 string.c       	    str = str_new_frozen(klass, str);