move object safety test to library/core

rust-lang · Aug 15, 2021 · 58f988f · 58f988f
1 parent 481b282
commit 58f988f
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Showing 2 changed files with 8 additions and 11 deletions.
diff --git a/library/core/tests/hash/mod.rs b/library/core/tests/hash/mod.rs
@@ -1,7 +1,7 @@
 mod sip;
 
 use std::default::Default;
-use std::hash::{Hash, Hasher};
+use std::hash::{BuildHasher, Hash, Hasher};
 use std::rc::Rc;
 
 struct MyHasher {
@@ -139,3 +139,10 @@ fn test_indirect_hasher() {
     }
     assert_eq!(hasher.hash, 5);
 }
+
+#[test]
+fn test_build_hasher_object_safe() {
+    use std::collections::hash_map::{DefaultHasher, RandomState};
+
+    let _: &dyn BuildHasher<Hasher = DefaultHasher> = &RandomState::new();
+}
diff --git a/src/test/ui/build-hasher-object-safe.rs b/src/test/ui/build-hasher-object-safe.rs