Merge pull request #2717 from retronym/ticket/6574

SI-6574 Support @tailrec for extension methods.

1 files changed, 19 insertions, 0 deletions

diff --git a/test/files/pos/t6574.scala b/test/files/pos/t6574.scala
new file mode 100644
index 0000000000..59c1701eb4
--- /dev/null
+++ b/test/files/pos/t6574.scala
@@ -0,0 +1,19 @@
+class Bad[X, Y](val v: Int) extends AnyVal {
+  def vv = v
+  @annotation.tailrec final def foo[Z](a: Int)(b: String) {
+    this.foo[Z](a)(b)
+  }
+
+  @annotation.tailrec final def differentReceiver {
+    {(); new Bad[X, Y](0)}.differentReceiver
+  }
+
+  @annotation.tailrec final def dependent[Z](a: Int)(b: String): b.type = {
+    this.dependent[Z](a)(b)
+  }
+}
+
+class HK[M[_]](val v: Int) extends AnyVal {
+  def hk[N[_]]: Unit = if (false) hk[M] else ()
+}
+