fixes #21062 (#21068)

nim-lang · Dec 10, 2022 · b59c657 · b59c657
1 parent 2ebd71b
commit b59c657
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/lib/system/alloc.nim b/lib/system/alloc.nim
@@ -787,8 +787,9 @@ when defined(gcDestructors):
     while it != nil:
       if maxIters == 0:
         let rest = it.next.loada
-        it.next.storea nil
-        addToSharedFreeList(c, rest)
+        if rest != nil:
+          it.next.storea nil
+          addToSharedFreeList(c, rest)
         break
       inc x, size
       it = it.next.loada