From 2cbc263ced1e2e8151fd8096e1f4e8b87eaeaa28 Mon Sep 17 00:00:00 2001
From: Dmitry Arkhipov <grisumbras@gmail.com>
Date: Sun, 28 Aug 2022 13:35:03 +0300
Subject: [PATCH] array self-swap

---
 include/boost/json/impl/array.ipp | 1 -
 test/array.cpp                    | 6 ++++++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/include/boost/json/impl/array.ipp b/include/boost/json/impl/array.ipp
index cbd06e4b..5cd68bd1 100644
--- a/include/boost/json/impl/array.ipp
+++ b/include/boost/json/impl/array.ipp
@@ -593,7 +593,6 @@ void
 array::
 swap(array& other)
 {
-    BOOST_ASSERT(this != &other);
     if(*sp_ == *other.sp_)
     {
         t_ = detail::exchange(
diff --git a/test/array.cpp b/test/array.cpp
index ace871bf..0c06f961 100644
--- a/test/array.cpp
+++ b/test/array.cpp
@@ -1154,6 +1154,12 @@ public:
                 check(a1);
                 BOOST_TEST(a2.size() == 1);
             });
+            fail_loop([&](storage_ptr const& sp)
+            {
+                array a({1, true, str_}, sp);
+                swap(a, a);
+                check(a);
+            });
         }
     }