t5510.scala:2: error: unclosed string literal
  val s1 = s"xxx
             ^
t5510.scala:3: error: unclosed string literal
  val s2 = s"xxx $x
                   ^
t5510.scala:4: error: unclosed string literal
  val s3 = s"xxx $$
             ^
t5510.scala:5: error: unclosed string literal
  val s4 = ""s"
               ^
t5510.scala:6: error: unclosed multi-line string literal
  val s5 = ""s""" $s1 $s2 s"
                         ^
t5510.scala:7: error: unclosed multi-line string literal
}
 ^
6 errors found