lib: make Navigator#language getter throw on invalid this
#35108
| Job | Run time |
|---|---|
| 1h 9m 58s | |
| 1h 9m 58s |
Navigator#language getter throw on invalid this
#35108
| Job | Run time |
|---|---|
| 1h 9m 58s | |
| 1h 9m 58s |