message: Update src/concurrency/weak_memory.rs
diff: @@ -102,6 +102,9 @@ struct StoreElement {
  /// The timestamp of the storing thread when it performed the store
  timestamp: VTimestamp,
  /// The value of this store
  + // FIXME: this means the store is either fully initialized or fully uninitialized;
  + // we will have to change this if we want to support atomics on
  + // partially initialized data.
  val: ScalarMaybeUninit<Tag>,
  /// Timestamp of first loads from this store element by each thread
  