fix: Tierd about the borrow check...

Author: dylan-sutton-chavez

compiler/src/modules/vm/gc.rs

@@ -6,7 +6,6 @@ impl<'a> VM<'a> {
     /* Mark all reachable roots then sweep; non-heap Vals are no-op to mark. */
     pub(crate) fn collect(&mut self, current_slots: &[Val]) {
         for &v in &self.stack { self.heap.mark(v); }
-        for sf in &self.pending_sync_frames { sf.for_each_val(&mut |v| heap.mark(v)); }
         for &v in &self.with_stack { self.heap.mark(v); }
         for &v in &self.yields { self.heap.mark(v); }
         for &v in &self.event_queue { self.heap.mark(v); }

compiler/src/modules/vm/types/mod.rs

@@ -315,8 +315,8 @@ pub(crate) fn for_each_val(obj: &HeapObj, mut f: impl FnMut(Val)) {
         HeapObj::Coroutine(_, slots, stack, _, iters, sub_frames, _) => {
             for &v in slots { f(v); }
             for &v in stack { f(v); }
-            for fr in iters { fr.for_each_val(f); }
-            for sf in sub_frames { sf.for_each_val(f); }
+            for fr in iters { fr.for_each_val(&mut f); }
+            for sf in sub_frames { sf.for_each_val(&mut f); }
         }
         HeapObj::Func(_, defaults, captures) => {
             for &v in defaults { f(v); }