0001-util-Fix-unique_ptr-with-GCC-9.patch

From fd9ca28d5fd2a4428add2e4c04b3514d5d1dae3f Mon Sep 17 00:00:00 2001
From: Joel Stanley <joel@linux.ibm.com>
Date: Thu, 17 Mar 2022 12:46:15 +1030
Subject: [PATCH 1/4] util: Fix unique_ptr with GCC 9

Change-Id: I08ead07fe5b587b43e06410b31dbfdba54d9a442
Signed-off-by: Joel Stanley <joel@linux.ibm.com>
---
 src/include/util/impl/unique_ptr.H | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/include/util/impl/unique_ptr.H b/src/include/util/impl/unique_ptr.H
index 689794330196..5c486526b81b 100644
--- a/src/include/util/impl/unique_ptr.H
+++ b/src/include/util/impl/unique_ptr.H
@@ -402,7 +402,7 @@ namespace std
              * @return        Value of T::operator[](i)
              */
             template<typename Index, typename X = T>
-            typename enable_if<is_array<X>::value, decltype(declval<X>()[declval<Index>()])>::type
+            typename enable_if<is_array<X>::value, decltype(declval<X>()[declval<Index>()])>::type&
             operator[](const Index i)
             {
                 return iv_ptr[i];
-- 
2.35.1