rb_error_frozen   433 eval.c         	rb_error_frozen(desc);
rb_error_frozen   417 ext/dbm/dbm.c      if (OBJ_FROZEN(obj)) rb_error_frozen("DBM");
rb_error_frozen   529 ext/gdbm/gdbm.c     if (OBJ_FROZEN(obj)) rb_error_frozen("GDBM");
rb_error_frozen   418 ext/sdbm/init.c     if (OBJ_FROZEN(obj)) rb_error_frozen("SDBM");
rb_error_frozen   255 include/ruby/intern.h NORETURN(void rb_error_frozen(const char*));
rb_error_frozen  3100 thread.c       	rb_error_frozen("thread locals");
rb_error_frozen  3177 thread.c       	rb_error_frozen("thread locals");