diff --git a/llvm/include/llvm/IR/ModuleSummaryIndex.h b/llvm/include/llvm/IR/ModuleSummaryIndex.h
index b76bc879fb45e..f1dd29926278a 100644
--- a/llvm/include/llvm/IR/ModuleSummaryIndex.h
+++ b/llvm/include/llvm/IR/ModuleSummaryIndex.h
@@ -1153,8 +1153,8 @@ class ModuleSummaryIndex {
 
   // Used in cases where we want to record the name of a global, but
   // don't have the string owned elsewhere (e.g. the Strtab on a module).
-  StringSaver Saver;
   BumpPtrAllocator Alloc;
+  StringSaver Saver;
 
   // The total number of basic blocks in the module in the per-module summary or
   // the total number of basic blocks in the LTO unit in the combined index.