diff --git a/tests/run/t7880.scala b/tests/pending/run/t7880.scala
similarity index 80%
rename from tests/run/t7880.scala
rename to tests/pending/run/t7880.scala
index 106047bc8fff..7e57a34210df 100644
--- a/tests/run/t7880.scala
+++ b/tests/pending/run/t7880.scala
@@ -1,3 +1,4 @@
+// Do "git log" on this file to know why it's been moved to pending
 object Test extends dotty.runtime.LegacyApp {
   // This should terminate in one way or another, but it shouldn't loop forever.
   try {