incr. comp.: Don't export impl_stable_hash_via_hash!() and warn about using it.

1 files changed, 2 insertions, 4 deletions

diff --git a/compiler/rustc_session/src/utils.rs b/compiler/rustc_session/src/utils.rs
index 9a286d94ab8..8064c217457 100644
--- a/compiler/rustc_session/src/utils.rs
+++ b/compiler/rustc_session/src/utils.rs
@@ -18,6 +18,7 @@ impl Session {
 }
 
 #[derive(Copy, Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Encodable, Decodable)]
+#[derive(HashStable_Generic)]
 pub enum NativeLibKind {
     /// Static library (e.g. `libfoo.a` on Linux or `foo.lib` on Windows/MSVC)
     Static {
@@ -57,9 +58,8 @@ impl NativeLibKind {
     }
 }
 
-rustc_data_structures::impl_stable_hash_via_hash!(NativeLibKind);
-
 #[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Encodable, Decodable)]
+#[derive(HashStable_Generic)]
 pub struct NativeLib {
     pub name: String,
     pub new_name: Option<String>,
@@ -73,8 +73,6 @@ impl NativeLib {
     }
 }
 
-rustc_data_structures::impl_stable_hash_via_hash!(NativeLib);
-
 /// A path that has been canonicalized along with its original, non-canonicalized form
 #[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord)]
 pub struct CanonicalizedPath {