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path: root/compiler/rustc_query_impl/src/on_disk_cache.rs
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Diffstat (limited to 'compiler/rustc_query_impl/src/on_disk_cache.rs')
-rw-r--r--compiler/rustc_query_impl/src/on_disk_cache.rs9
1 files changed, 4 insertions, 5 deletions
diff --git a/compiler/rustc_query_impl/src/on_disk_cache.rs b/compiler/rustc_query_impl/src/on_disk_cache.rs
index b01c512a3b4..4c25075327f 100644
--- a/compiler/rustc_query_impl/src/on_disk_cache.rs
+++ b/compiler/rustc_query_impl/src/on_disk_cache.rs
@@ -653,12 +653,11 @@ impl<'a, 'tcx> Decodable<CacheDecoder<'a, 'tcx>> for ExpnId {
             #[cfg(debug_assertions)]
             {
                 use rustc_data_structures::stable_hasher::{HashStable, StableHasher};
-                let mut hcx = decoder.tcx.create_stable_hashing_context();
-                let mut hasher = StableHasher::new();
-                hcx.while_hashing_spans(true, |hcx| {
-                    expn_id.expn_data().hash_stable(hcx, &mut hasher)
+                let local_hash: u64 = decoder.tcx.with_stable_hashing_context(|mut hcx| {
+                    let mut hasher = StableHasher::new();
+                    expn_id.expn_data().hash_stable(&mut hcx, &mut hasher);
+                    hasher.finish()
                 });
-                let local_hash: u64 = hasher.finish();
                 debug_assert_eq!(hash.local_hash(), local_hash);
             }