From 4b4c6e612b14251b4b1edf5d58d0214fc5434008 Mon Sep 17 00:00:00 2001
From: LeeHainie <30332409+LeeHainie@users.noreply.github.com>
Date: Thu, 7 Nov 2019 17:26:02 +0800
Subject: [PATCH] Remove unnecessary instantiation in root

Fixes: gh-7635
---
 .../security/access/expression/SecurityExpressionRoot.java      | 2 --
 1 file changed, 2 deletions(-)

diff --git a/core/src/main/java/org/springframework/security/access/expression/SecurityExpressionRoot.java b/core/src/main/java/org/springframework/security/access/expression/SecurityExpressionRoot.java
index 563f726a42..97b201d085 100644
--- a/core/src/main/java/org/springframework/security/access/expression/SecurityExpressionRoot.java
+++ b/core/src/main/java/org/springframework/security/access/expression/SecurityExpressionRoot.java
@@ -17,7 +17,6 @@ package org.springframework.security.access.expression;
 
 import java.io.Serializable;
 import java.util.Collection;
-import java.util.HashSet;
 import java.util.Set;
 
 import org.springframework.security.access.PermissionEvaluator;
@@ -158,7 +157,6 @@ public abstract class SecurityExpressionRoot implements SecurityExpressionOperat
 
 	private Set<String> getAuthoritySet() {
 		if (roles == null) {
-			roles = new HashSet<>();
 			Collection<? extends GrantedAuthority> userAuthorities = authentication
 					.getAuthorities();