Remove an unnecessary dtor computation and use the cached query result instead

oli-obk · oli-obk · commit d25496fd5fe0 · 2025-03-27T12:07:38.000Z
diff --git a/compiler/rustc_mir_transform/src/check_const_item_mutation.rs b/compiler/rustc_mir_transform/src/check_const_item_mutation.rs
@@ -53,7 +53,7 @@ impl<'tcx> ConstMutationChecker<'_, 'tcx> {
         //
         //     #[const_mutation_allowed]
         //     pub const LOG: Log = Log { msg: "" };
-        match self.tcx.calculate_dtor(def_id, |_, _| Ok(())) {
+        match self.tcx.adt_destructor(def_id) {
             Some(_) => None,
             None => Some(def_id),
         }

Original file line number	Diff line number	Diff line change
`@@ -53,7 +53,7 @@ impl<'tcx> ConstMutationChecker<'_, 'tcx> {`
`53`	`53`	`//`
`54`	`54`	`// #[const_mutation_allowed]`
`55`	`55`	`// pub const LOG: Log = Log { msg: "" };`
`56`		`- match self.tcx.calculate_dtor(def_id, \|_, _\| Ok(())) {`
	`56`	`+ match self.tcx.adt_destructor(def_id) {`
`57`	`57`	`Some(_) => None,`
`58`	`58`	`None => Some(def_id),`
`59`	`59`	`}`