From 6e227b80a7686a7ea5bc039d54c307fda29c99ba Mon Sep 17 00:00:00 2001
From: Jonas Schievink <jonasschievink@gmail.com>
Date: Fri, 2 Apr 2021 18:26:34 +0200
Subject: Remove `?Sized` on `PartialEq`/`Eq` impls

---
 crates/hir_def/src/intern.rs | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

(limited to 'crates')

diff --git a/crates/hir_def/src/intern.rs b/crates/hir_def/src/intern.rs
index 785d9e3c6..cc0b5d350 100644
--- a/crates/hir_def/src/intern.rs
+++ b/crates/hir_def/src/intern.rs
@@ -90,14 +90,16 @@ impl<T: Internable + ?Sized> Interned<T> {
 }
 
 /// Compares interned `Ref`s using pointer equality.
-impl<T: Internable + ?Sized> PartialEq for Interned<T> {
+impl<T: Internable> PartialEq for Interned<T> {
+    // NOTE: No `?Sized` because `ptr_eq` doesn't work right with trait objects.
+
     #[inline]
     fn eq(&self, other: &Self) -> bool {
         Arc::ptr_eq(&self.arc, &other.arc)
     }
 }
 
-impl<T: Internable + ?Sized> Eq for Interned<T> {}
+impl<T: Internable> Eq for Interned<T> {}
 
 impl<T: Internable + ?Sized> AsRef<T> for Interned<T> {
     #[inline]
@@ -148,7 +150,7 @@ pub trait Internable: Hash + Eq + 'static {
 }
 
 macro_rules! impl_internable {
-    ( $($t:ty),+ $(,)? ) => { $(
+    ( $($t:path),+ $(,)? ) => { $(
         impl Internable for $t {
             fn storage() -> &'static InternStorage<Self> {
                 static STORAGE: InternStorage<$t> = InternStorage::new();
-- 
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