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-rw-r--r--compiler/rustc_ty_utils/src/instance.rs3
1 files changed, 2 insertions, 1 deletions
diff --git a/compiler/rustc_ty_utils/src/instance.rs b/compiler/rustc_ty_utils/src/instance.rs
index bd1d568cd9a..8075cb77757 100644
--- a/compiler/rustc_ty_utils/src/instance.rs
+++ b/compiler/rustc_ty_utils/src/instance.rs
@@ -397,7 +397,8 @@ fn resolve_associated_item<'tcx>(
         | traits::ImplSource::DiscriminantKind(..)
         | traits::ImplSource::Pointee(..)
         | traits::ImplSource::TraitUpcasting(_)
-        | traits::ImplSource::ConstDestruct(_) => None,
+        | traits::ImplSource::ConstDestruct(_)
+        | traits::ImplSource::Tuple => None,
     })
 }