Test of references to local package names (imports).

-- go.mod --
module example.com
go 1.12

-- a/a.go --
package a

import "os" //@loc(osDef, `"os"`), refs("os", osDef, osUse)

import fmt2 "fmt" //@loc(fmt2Def, `fmt2`), refs("fmt2", fmt2Def, fmt2Use)

func _() {
	os.Getwd() //@loc(osUse, "os")
	fmt2.Println() //@loc(fmt2Use, "fmt2")
}