syntax error!

-- x/y/z/z.go --
package z

-- x/y/z/w/w.go --
package w

-- @at/go.mod --
module at

go 1.14
-- @at/at.go --
package at

-- badat/go.mod --
module badat

go 1.14
-- badat/bad@/bad.go --

			return
		}
		if len(call.Args) > 0 {
			arg := call.Args[0]
			badAt := badFormatAt(pass.TypesInfo, arg)

			if badAt > -1 {
				// Check if it's a literal string, otherwise we can't suggest a fix.
				if _, ok := arg.(*ast.BasicLit); ok {
					pos := int(arg.Pos()) + badAt + 1 // +1 to skip the " or `
					end := pos + len(badFormat)

					pass.Report(analysis.Diagnostic{