1 files changed, 20 insertions, 0 deletions
diff --git a/tests/run/t7498.scala b/tests/run/t7498.scala
new file mode 100644
index 000000000..cab598405
--- /dev/null
+++ b/tests/run/t7498.scala
@@ -0,0 +1,20 @@
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+object Test extends dotty.runtime.LegacyApp {
+  import scala.collection.concurrent.TrieMap
+
+  class Collision(val idx: Int) {
+    override def hashCode = idx % 10
+  }
+
+  val tm = TrieMap[Collision, Unit]()
+  for (i <- 0 until 1000) tm(new Collision(i)) = ()
+
+  tm.par.foreach(kv => ())
+}
+