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-rw-r--r--compiler/rustc_data_structures/src/sorted_map/index_map.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/rustc_data_structures/src/sorted_map/index_map.rs b/compiler/rustc_data_structures/src/sorted_map/index_map.rs
index 1654867739f..b38b09d60eb 100644
--- a/compiler/rustc_data_structures/src/sorted_map/index_map.rs
+++ b/compiler/rustc_data_structures/src/sorted_map/index_map.rs
@@ -147,7 +147,7 @@ impl<I: Idx, K: Ord, V> FromIterator<(K, V)> for SortedIndexMultiMap<I, K, V> {
     where
         J: IntoIterator<Item = (K, V)>,
     {
-        let items = IndexVec::from_iter(iter);
+        let items = IndexVec::<I, _>::from_iter(iter);
         let mut idx_sorted_by_item_key: Vec<_> = items.indices().collect();
 
         // `sort_by_key` is stable, so insertion order is preserved for duplicate items.