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diff --git a/tests/incremental/issue-92987-provisional-dep-node.rs b/tests/incremental/issue-92987-provisional-dep-node.rs
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+++ b/tests/incremental/issue-92987-provisional-dep-node.rs
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+// revisions: rpass1 rpass2
+
+// Regression test for issue #92987
+// Tests that we properly manage `DepNode`s during trait evaluation
+// involing an auto-trait cycle.
+
+#[cfg(rpass1)]
+struct CycleOne(Box<CycleTwo>);
+
+#[cfg(rpass2)]
+enum CycleOne {
+    Variant(Box<CycleTwo>)
+}
+
+struct CycleTwo(CycleOne);
+
+fn assert_send<T: Send>() {}
+
+fn bar() {
+    assert_send::<CycleOne>();
+    assert_send::<CycleTwo>();
+}
+
+fn main() {}