Auto merge of #104977 - RalfJung:ptr-from-ref, r=dtolnay

[rust.git] / compiler / rustc_middle / src / ty / subst.rs

diff --git a/compiler/rustc_middle/src/ty/subst.rs b/compiler/rustc_middle/src/ty/subst.rs
index 2071d01027266581542ae273550c10b668235376..0c33e5bda1a55a2fe0d29047963b394b38d324ad 100644 (file)
--- a/compiler/rustc_middle/src/ty/subst.rs
+++ b/compiler/rustc_middle/src/ty/subst.rs
@@ -348,7 +348,7 @@ pub fn fill_single<F>(
         substs.reserve(defs.params.len());
         for param in &defs.params {
             let kind = mk_kind(param, substs);
-            assert_eq!(param.index as usize, substs.len());
+            assert_eq!(param.index as usize, substs.len(), "{substs:#?}, {defs:#?}");
             substs.push(kind);
         }
     }
@@ -577,6 +577,10 @@ pub fn try_map_bound<F, U, E>(self, f: F) -> Result<EarlyBinder<U>, E>
     pub fn rebind<U>(&self, value: U) -> EarlyBinder<U> {
         EarlyBinder(value)
     }
+
+    pub fn skip_binder(self) -> T {
+        self.0
+    }
 }
 
 impl<T> EarlyBinder<Option<T>> {