add test to verify that #132391 can be closed

1 files changed, 5 insertions, 1 deletions

diff --git a/compiler/rustc_hir/src/stable_hash_impls.rs b/compiler/rustc_hir/src/stable_hash_impls.rs
index 9e56d38c654..2709a826549 100644
--- a/compiler/rustc_hir/src/stable_hash_impls.rs
+++ b/compiler/rustc_hir/src/stable_hash_impls.rs
@@ -10,7 +10,11 @@ use crate::hir_id::{HirId, ItemLocalId};
 /// Requirements for a `StableHashingContext` to be used in this crate.
 /// This is a hack to allow using the `HashStable_Generic` derive macro
 /// instead of implementing everything in `rustc_middle`.
-pub trait HashStableContext: rustc_attr_data_structures::HashStableContext + rustc_ast::HashStableContext + rustc_abi::HashStableContext {
+pub trait HashStableContext:
+    rustc_attr_data_structures::HashStableContext
+    + rustc_ast::HashStableContext
+    + rustc_abi::HashStableContext
+{
     fn hash_attr_id(&mut self, id: &HashIgnoredAttrId, hasher: &mut StableHasher);
 }