From adc2b6b4aa27bc3e25359adcca02c7e5362fdf59 Mon Sep 17 00:00:00 2001
From: Olivier Blanvillain <olivier.blanvillain@gmail.com>
Date: Tue, 19 Mar 2019 16:56:54 +0100
Subject: [PATCH] Fix #4382: Add regression test

---
 tests/neg/4382.scala | 3 +++
 1 file changed, 3 insertions(+)
 create mode 100644 tests/neg/4382.scala

diff --git a/tests/neg/4382.scala b/tests/neg/4382.scala
new file mode 100644
index 000000000000..e1be23f29b99
--- /dev/null
+++ b/tests/neg/4382.scala
@@ -0,0 +1,3 @@
+trait x0[x0[_]] {
+  (??? : x0[_]): x0[Int] // error
+}