Add pickling/unpickling of stable modifier

Pickling/unpickling of STABLE modifier allows to fix problem with
unpickling of path-dependent types (#982)

1 files changed, 8 insertions, 0 deletions

diff --git a/tests/tasty/i982.scala b/tests/tasty/i982.scala
new file mode 100644
index 000000000..838b250d9
--- /dev/null
+++ b/tests/tasty/i982.scala
@@ -0,0 +1,8 @@
+trait Z {
+  type Q
+  def test: Q
+}
+class X(val x: Z)
+class Y(x: Z) extends X(x) {
+  x.test
+}