From 37f34f0ad66f4f9fa8a2259318c478fd73ed9272 Mon Sep 17 00:00:00 2001
From: David Mollitor <dmollitor@apache.org>
Date: Thu, 27 Aug 2020 19:58:37 -0400
Subject: [PATCH] Use ArrayList copy constructor

---
 java/core/src/main/java/com/google/protobuf/FieldSet.java | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/java/core/src/main/java/com/google/protobuf/FieldSet.java b/java/core/src/main/java/com/google/protobuf/FieldSet.java
index d52aede95..8306c471c 100644
--- a/java/core/src/main/java/com/google/protobuf/FieldSet.java
+++ b/java/core/src/main/java/com/google/protobuf/FieldSet.java
@@ -1078,8 +1078,7 @@ final class FieldSet<T extends FieldSet.FieldDescriptorLite<T>> {
 
         // Wrap the contents in a new list so that the caller cannot change
         // the list's contents after setting it.
-        final List newList = new ArrayList();
-        newList.addAll((List) value);
+        final List newList = new ArrayList((List) value);
         for (final Object element : newList) {
           verifyType(descriptor.getLiteType(), element);
           hasNestedBuilders = hasNestedBuilders || element instanceof MessageLite.Builder;