From 73bd2968ac9cb9e1240cf2b9c035cbe19e6ab89c Mon Sep 17 00:00:00 2001
From: Padraic Fanning <fanninpm@miamioh.edu>
Date: Thu, 22 Sep 2022 23:00:54 -0400
Subject: [PATCH 1/2] Drop unused must-use values immediately

This new warning from Rust 1.64 needs @coolreader18's review.
---
 vm/src/object/core.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/vm/src/object/core.rs b/vm/src/object/core.rs
index d3f758f87de..0aae7383e01 100644
--- a/vm/src/object/core.rs
+++ b/vm/src/object/core.rs
@@ -78,7 +78,7 @@ struct PyObjVTable {
     debug: unsafe fn(&PyObject, &mut fmt::Formatter) -> fmt::Result,
 }
 unsafe fn drop_dealloc_obj<T: PyObjectPayload>(x: *mut PyObject) {
-    Box::from_raw(x as *mut PyInner<T>);
+    drop(Box::from_raw(x as *mut PyInner<T>));
 }
 unsafe fn debug_obj<T: PyObjectPayload>(x: &PyObject, f: &mut fmt::Formatter) -> fmt::Result {
     let x = &*(x as *const PyObject as *const PyInner<T>);
@@ -269,7 +269,7 @@ impl WeakRefList {
     }
 
     unsafe fn dealloc(ptr: NonNull<PyMutex<WeakListInner>>) {
-        Box::from_raw(ptr.as_ptr());
+        drop(Box::from_raw(ptr.as_ptr()));
     }
 
     fn get_weak_references(&self) -> Vec<PyRef<PyWeak>> {

From 50fd23ab4797dd3daf4eb9dce25cb3474e558310 Mon Sep 17 00:00:00 2001
From: Padraic Fanning <fanninpm@miamioh.edu>
Date: Thu, 22 Sep 2022 22:38:33 -0400
Subject: [PATCH 2/2] Fix unnecessary closure (clippy)

---
 common/src/refcount.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/common/src/refcount.rs b/common/src/refcount.rs
index cbac8424dc1..910eef436a9 100644
--- a/common/src/refcount.rs
+++ b/common/src/refcount.rs
@@ -44,7 +44,7 @@ impl RefCount {
     #[inline]
     pub fn safe_inc(&self) -> bool {
         self.strong
-            .fetch_update(AcqRel, Acquire, |prev| (prev != 0).then(|| prev + 1))
+            .fetch_update(AcqRel, Acquire, |prev| (prev != 0).then_some(prev + 1))
             .is_ok()
     }