diff --git a/llvm/lib/DWARFLinker/Parallel/ArrayList.h b/llvm/lib/DWARFLinker/Parallel/ArrayList.h
index c48f828609be2..d99fdcc8c60c0 100644
--- a/llvm/lib/DWARFLinker/Parallel/ArrayList.h
+++ b/llvm/lib/DWARFLinker/Parallel/ArrayList.h
@@ -137,7 +137,7 @@ template <typename T, size_t ItemsGroupSize = 512> class ArrayList {
     NewGroup->Next = nullptr;
 
     // Try to replace current group with allocated one.
-    if (AtomicGroup.compare_exchange_weak(CurGroup, NewGroup))
+    if (AtomicGroup.compare_exchange_strong(CurGroup, NewGroup))
       return true;
 
     // Put allocated group as last group.