From 5846d998dcbd6694736275cda0ac916d933df33e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Esteban=20K=C3=BCber?= <esteban@kuber.com.ar>
Date: Fri, 12 Jun 2026 22:51:20 +0000
Subject: [PATCH] Remove some unecessary `.into()` calls

---
 compiler/rustc_builtin_macros/src/autodiff.rs         | 3 +--
 compiler/rustc_const_eval/src/interpret/intrinsics.rs | 2 +-
 compiler/rustc_symbol_mangling/src/lib.rs             | 2 +-
 compiler/rustc_traits/src/normalize_projection_ty.rs  | 2 +-
 4 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/compiler/rustc_builtin_macros/src/autodiff.rs b/compiler/rustc_builtin_macros/src/autodiff.rs
index 595a8b1fecb87..311a24280cfb7 100644
--- a/compiler/rustc_builtin_macros/src/autodiff.rs
+++ b/compiler/rustc_builtin_macros/src/autodiff.rs
@@ -567,8 +567,7 @@ mod llvm_enzyme {
                     PatKind::Ident(_, ident, _) => ecx.expr_path(ecx.path_ident(span, ident)),
                     _ => todo!(),
                 })
-                .collect::<ThinVec<_>>()
-                .into(),
+                .collect::<ThinVec<_>>(),
         );
 
         let enzyme_path_idents = ecx.std_path(&[sym::intrinsics, sym::autodiff]);
diff --git a/compiler/rustc_const_eval/src/interpret/intrinsics.rs b/compiler/rustc_const_eval/src/interpret/intrinsics.rs
index 3f85e10e5ca94..bd5ff02254c55 100644
--- a/compiler/rustc_const_eval/src/interpret/intrinsics.rs
+++ b/compiler/rustc_const_eval/src/interpret/intrinsics.rs
@@ -773,7 +773,7 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> {
             _ => return interp_ok(false),
         }
 
-        trace!("{:?}", self.dump_place(&dest.clone().into()));
+        trace!("{:?}", self.dump_place(&dest));
         self.return_to_block(ret)?;
         interp_ok(true)
     }
diff --git a/compiler/rustc_symbol_mangling/src/lib.rs b/compiler/rustc_symbol_mangling/src/lib.rs
index c052037f05b39..475b0827a53d3 100644
--- a/compiler/rustc_symbol_mangling/src/lib.rs
+++ b/compiler/rustc_symbol_mangling/src/lib.rs
@@ -219,7 +219,7 @@ fn compute_symbol_name<'tcx>(
         // However, we don't have the wasm import module map there yet.
         tcx.is_foreign_item(def_id)
             && tcx.sess.target.is_like_wasm
-            && tcx.wasm_import_module_map(def_id.krate).contains_key(&def_id.into())
+            && tcx.wasm_import_module_map(def_id.krate).contains_key(&def_id)
     };
 
     if !wasm_import_module_exception_force_mangling {
diff --git a/compiler/rustc_traits/src/normalize_projection_ty.rs b/compiler/rustc_traits/src/normalize_projection_ty.rs
index 88a72d52eb8e2..2b904c2710464 100644
--- a/compiler/rustc_traits/src/normalize_projection_ty.rs
+++ b/compiler/rustc_traits/src/normalize_projection_ty.rs
@@ -54,7 +54,7 @@ fn normalize_canonicalized_projection<'tcx>(
             let normalized_term = traits::normalize_projection_term(
                 selcx,
                 param_env,
-                goal.into(),
+                goal,
                 cause,
                 0,
                 &mut obligations,