SI-6631 Handle invalid escapes in string interpolators

Patch contributed by Rex Kerr.

1 files changed, 18 insertions, 0 deletions

diff --git a/test/files/run/t6631.scala b/test/files/run/t6631.scala
new file mode 100644
index 0000000000..e472b83d50
--- /dev/null
+++ b/test/files/run/t6631.scala
@@ -0,0 +1,18 @@
+import reflect.ClassTag
+
+object Test extends App {
+  def intercept[T <: Throwable : ClassTag](act: => Any) = try {
+    act
+  } catch {
+    case x: Throwable =>
+      val cls = implicitly[ClassTag[T]].runtimeClass
+      assert(cls.isInstance(x), (x.getClass, x, cls).toString)
+  }
+  assert(s"""\f\r\n\t""" == "\f\r\n\t")
+
+  import StringContext.InvalidEscapeException
+  intercept[InvalidEscapeException](s"""\""")
+  intercept[InvalidEscapeException](s"""\x""")
+  intercept[InvalidEscapeException](s"\")
+
+}