add tests from scala/test/files/{pos,neg}

with explicit Unit return type

1 files changed, 16 insertions, 0 deletions

diff --git a/tests/untried/pos/t2023.scala b/tests/untried/pos/t2023.scala
new file mode 100644
index 000000000..21c6fc96a
--- /dev/null
+++ b/tests/untried/pos/t2023.scala
@@ -0,0 +1,16 @@
+trait C[A]
+
+object C {
+  implicit def ipl[A](implicit from: A => Ordered[A]): C[A] = null
+}
+
+object P {
+  def foo[A](i: A, j: A)(implicit c: C[A]): Unit = ()
+}
+
+class ImplicitChainTest {
+  def testTrivial: Unit = {
+    P.foo('0', '9')
+    P.foo('0', '9')
+  }
+}