clippy::useless_conversion

compiler/rustc_const_eval/src/const_eval/eval_queries.rs

@@ -75,12 +75,7 @@ fn eval_body_using_ecx<'tcx, R: InterpretationResult<'tcx>>(
 
     // This can't use `init_stack_frame` since `body` is not a function,
     // so computing its ABI would fail. It's also not worth it since there are no arguments to pass.
-    ecx.push_stack_frame_raw(
-        cid.instance,
-        body,
-        &ret.clone().into(),
-        StackPopCleanup::Root { cleanup: false },
-    )?;
+    ecx.push_stack_frame_raw(cid.instance, body, &ret, StackPopCleanup::Root { cleanup: false })?;
     ecx.storage_live_for_always_live_locals()?;
 
     // The main interpreter loop.

compiler/rustc_const_eval/src/interpret/call.rs

@@ -823,7 +823,7 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> {
             (Abi::Rust, fn_abi),
             &[FnArg::Copy(arg.into())],
             false,
-            &ret.into(),
+            &ret,
             Some(target),
             unwind,
         )