src/share/vm/ci/ciField.cpp

*** 188,197 ****
--- 188,205 ----
      return true;
    // Trust VM anonymous classes. They are private API (sun.misc.Unsafe) and can't be serialized,
    // so there is no hacking of finals going on with them.
    if (holder->is_anonymous())
      return true;
+   // Trust Atomic*FieldUpdaters: they are very important for performance, and make up one
+   // more reason not to use Unsafe, if their final fields are trusted. See more in JDK-8140483.
+   if (holder->name() == ciSymbol::java_util_concurrent_atomic_AtomicIntegerFieldUpdater_Impl() ||
+       holder->name() == ciSymbol::java_util_concurrent_atomic_AtomicLongFieldUpdater_CASUpdater() ||
+       holder->name() == ciSymbol::java_util_concurrent_atomic_AtomicLongFieldUpdater_LockedUpdater() ||
+       holder->name() == ciSymbol::java_util_concurrent_atomic_AtomicReferenceFieldUpdater_Impl()) {
+     return true;
+   }
    return TrustFinalNonStaticFields;
  }
  
  void ciField::initialize_from(fieldDescriptor* fd) {
    // Get the flags, offset, and canonical holder of the field.