--- old/src/hotspot/share/oops/symbol.cpp	2020-07-08 11:40:14.582493381 -0700
+++ new/src/hotspot/share/oops/symbol.cpp	2020-07-08 11:40:14.290482389 -0700
@@ -52,9 +52,7 @@
   _hash_and_refcount =  pack_hash_and_refcount((short)os::random(), refcount);
   _length = length;
   _body[0] = 0;  // in case length == 0
-  for (int i = 0; i < length; i++) {
-    byte_at_put(i, name[i]);
-  }
+  memcpy(_body, name, length);
 }
 
 void* Symbol::operator new(size_t sz, int len) throw() {