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-rw-r--r--library/std/src/sys/sgx/waitqueue/unsafe_list.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/library/std/src/sys/sgx/waitqueue/unsafe_list.rs b/library/std/src/sys/sgx/waitqueue/unsafe_list.rs
index cf2f0886c15..c736cab576e 100644
--- a/library/std/src/sys/sgx/waitqueue/unsafe_list.rs
+++ b/library/std/src/sys/sgx/waitqueue/unsafe_list.rs
@@ -23,6 +23,7 @@ impl<T> UnsafeListEntry<T> {
     }
 }
 
+// WARNING: self-referential struct!
 pub struct UnsafeList<T> {
     head_tail: NonNull<UnsafeListEntry<T>>,
     head_tail_entry: Option<UnsafeListEntry<T>>,