1 files changed, 9 insertions, 31 deletions
diff --git a/compiler/rustc_middle/src/traits/structural_impls.rs b/compiler/rustc_middle/src/traits/structural_impls.rs
index a703e3c95..ec450cf55 100644
--- a/compiler/rustc_middle/src/traits/structural_impls.rs
+++ b/compiler/rustc_middle/src/traits/structural_impls.rs
@@ -6,18 +6,16 @@ use std::fmt;
 
 impl<'tcx, N: fmt::Debug> fmt::Debug for traits::ImplSource<'tcx, N> {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        match *self {
-            super::ImplSource::UserDefined(ref v) => write!(f, "{:?}", v),
+        match self {
+            super::ImplSource::UserDefined(v) => write!(f, "{v:?}"),
 
-            super::ImplSource::Builtin(ref d) => write!(f, "{:?}", d),
-
-            super::ImplSource::Object(ref d) => write!(f, "{:?}", d),
-
-            super::ImplSource::Param(ref n, ct) => {
-                write!(f, "ImplSourceParamData({:?}, {:?})", n, ct)
+            super::ImplSource::Builtin(source, d) => {
+                write!(f, "Builtin({source:?}, {d:?})")
             }
 
-            super::ImplSource::TraitUpcasting(ref d) => write!(f, "{:?}", d),
+            super::ImplSource::Param(n) => {
+                write!(f, "ImplSourceParamData({n:?})")
+            }
         }
     }
 }
@@ -26,28 +24,8 @@ impl<'tcx, N: fmt::Debug> fmt::Debug for traits::ImplSourceUserDefinedData<'tcx,
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         write!(
             f,
-            "ImplSourceUserDefinedData(impl_def_id={:?}, substs={:?}, nested={:?})",
-            self.impl_def_id, self.substs, self.nested
-        )
-    }
-}
-
-impl<N: fmt::Debug> fmt::Debug for traits::ImplSourceTraitUpcastingData<N> {
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        write!(
-            f,
-            "ImplSourceTraitUpcastingData(vtable_vptr_slot={:?}, nested={:?})",
-            self.vtable_vptr_slot, self.nested
-        )
-    }
-}
-
-impl<N: fmt::Debug> fmt::Debug for traits::ImplSourceObjectData<N> {
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        write!(
-            f,
-            "ImplSourceObjectData(vtable_base={}, nested={:?})",
-            self.vtable_base, self.nested
+            "ImplSourceUserDefinedData(impl_def_id={:?}, args={:?}, nested={:?})",
+            self.impl_def_id, self.args, self.nested
         )
     }
 }