tree 0ffa6b9faf176532e523d8ad8b4b7c7d51858387
parent 41cce52410a60c877a459a43f054addfe403ee1e
author Marcel van Lohuizen <mpvl@golang.org> 1566462200 +0200
committer Marcel van Lohuizen <mpvl@golang.org> 1566462583 +0000

cue: fix crash related to package name

commit 3908dac7f8b inadvertently
tried to resolve the package name
as an identifier.

This resulted in a crash if there was an
imported package with the same name.

Also catch duplicate package declarations
as an error, which previous went unreported.

Change-Id: I4fcd5f2144d434f4fa4850d4987b75f7d85f13ad
Reviewed-on: https://cue-review.googlesource.com/c/cue/+/2878
Reviewed-by: Marcel van Lohuizen <mpvl@golang.org>