env GO111MODULE=off

[!cgo] skip

# go list should report import "C"
cd x
go list -f '{{.Imports}}'
! stdout runtime/cgo
! stdout unsafe
! stdout syscall
stdout C
stdout unicode
stdout unicode/utf16

# go list -compiled should report imports in compiled files as well,
# adding "runtime/cgo", "unsafe", and "syscall" but not dropping "C".
go list -compiled -f '{{.Imports}}'
stdout runtime/cgo
stdout unsafe
stdout syscall
stdout C
stdout unicode
stdout unicode/utf16

-- x/x.go --
package x
import "C"
import "unicode" // does not use unsafe, syscall, runtime/cgo, unicode/utf16
-- x/x1.go --
package x
import "unicode/utf16" // does not use unsafe, syscall, runtime/cgo, unicode