because its export data doesn't contain file position information.
Change-Id: Ia3ab54ae8a493666b9ad63577aa8fad513385052
Reviewed-on: https://go-review.googlesource.com/32299
Reviewed-by: Robert Griesemer <gri@golang.org>
(The first was go-review.googlesource.com/c/31813)
Fixes issue golang/go#17565
Change-Id: I61c124e041af689913aedebdde654197c5526228
Reviewed-on: https://go-review.googlesource.com/32034
Reviewed-by: Robert Griesemer <gri@golang.org>