/usr/share/gocode/src/golang.org/x/text/unicode/cldr/ is in golang-golang-x-text-dev 0.0~git20170627.0.6353ef0-1ubuntu2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/gocode/src/golang.org/x/text/unicode/cldr/base.go
/usr/share/gocode/src/golang.org/x/text/unicode/cldr/cldr.go
/usr/share/gocode/src/golang.org/x/text/unicode/cldr/cldr_test.go
/usr/share/gocode/src/golang.org/x/text/unicode/cldr/collate.go
/usr/share/gocode/src/golang.org/x/text/unicode/cldr/collate_test.go
/usr/share/gocode/src/golang.org/x/text/unicode/cldr/data_test.go
/usr/share/gocode/src/golang.org/x/text/unicode/cldr/decode.go
/usr/share/gocode/src/golang.org/x/text/unicode/cldr/examples_test.go
/usr/share/gocode/src/golang.org/x/text/unicode/cldr/makexml.go
/usr/share/gocode/src/golang.org/x/text/unicode/cldr/resolve.go
/usr/share/gocode/src/golang.org/x/text/unicode/cldr/resolve_test.go
/usr/share/gocode/src/golang.org/x/text/unicode/cldr/slice.go
/usr/share/gocode/src/golang.org/x/text/unicode/cldr/slice_test.go
/usr/share/gocode/src/golang.org/x/text/unicode/cldr/xml.go