--- old/src/hotspot/share/oops/symbol.cpp	2020-04-26 22:07:12.544264009 -0700
+++ new/src/hotspot/share/oops/symbol.cpp	2020-04-26 22:07:12.412259040 -0700
@@ -56,6 +56,17 @@
 }
 
 void* Symbol::operator new(size_t sz, int len) throw() {
+ if (DumpSharedSpaces) {
+    // To get deterministic output from -Xshare:dump, we ensure that Symbols are allocated in
+    // increasing adresses. When the symbols are copied into the archive, we preserve their
+    // relative address order (see SortedSymbolClosure in metaspaceShared.cpp)
+    //
+    // We cannot use arena because arena chunks are allocated by the OS. As a result, for example,
+    // the archived symbol of "java/lang/Object" may sometimes be lower than "java/lang/String", and
+    // sometimes be higher. This would cause non-deterministic contents in the archive.
+   return Metaspace::allocate(ClassLoaderData::the_null_class_loader_data(), 
+                              size(len), MetaspaceObj::ClassType, Thread::current());
+ }
   int alloc_size = size(len)*wordSize;
   address res = (address) AllocateHeap(alloc_size, mtSymbol);
   return res;