Address more concerns

P8L1 · P8L1 · commit 56222cbef8f9 · 2026-06-09T13:14:24.000+02:00
diff --git a/compiler/rustc_ty_utils/src/needs_drop.rs b/compiler/rustc_ty_utils/src/needs_drop.rs
@@ -400,16 +400,8 @@ fn drop_tys_helper<'tcx>(
                         _ => vec![boxed_ty, allocator_ty],
                     }
                 }
-                [boxed_ty] => {
-                    let boxed_ty = boxed_ty.expect_ty();
-                    match boxed_ty.kind() {
-                        ty::Dynamic(..) | ty::Error(_) => Vec::new(),
-                        _ => vec![boxed_ty],
-                    }
-                }
                 _ => {
-                    debug!(?args, "drop_tys_helper: `Box` has unexpected generic args");
-                    Vec::new()
+                    bug!("drop_tys_helper: `Box` has unexpected generic args: {args:?}");
                 }
             };
             Ok(box_components)

Original file line number	Diff line number	Diff line change
`@@ -400,16 +400,8 @@ fn drop_tys_helper<'tcx>(`
`400`	`400`	`_ => vec![boxed_ty, allocator_ty],`
`401`	`401`	`}`
`402`	`402`	`}`
`403`		`- [boxed_ty] => {`
`404`		`- let boxed_ty = boxed_ty.expect_ty();`
`405`		`- match boxed_ty.kind() {`
`406`		`- ty::Dynamic(..) \| ty::Error(_) => Vec::new(),`
`407`		`- _ => vec![boxed_ty],`
`408`		`- }`
`409`		`- }`
`410`	`403`	`_ => {`
`411`		- debug!(?args, "drop_tys_helper: `Box` has unexpected generic args");
`412`		`- Vec::new()`
	`404`	+ bug!("drop_tys_helper: `Box` has unexpected generic args: {args:?}");
`413`	`405`	`}`
`414`	`406`	`};`
`415`	`407`	`Ok(box_components)`