SERVER-56836 SERVER-56837 Add self-assignment checks in MinMaxStore.

(cherry picked from commit 576bfe9b642f8cebf5060c6878a128c1b27ed1d0)

1 files changed, 6 insertions, 2 deletions

diff --git a/src/mongo/db/timeseries/minmax.cpp b/src/mongo/db/timeseries/minmax.cpp
index c15c8528d22..403c564b003 100644
--- a/src/mongo/db/timeseries/minmax.cpp
+++ b/src/mongo/db/timeseries/minmax.cpp
@@ -172,7 +172,9 @@ MinMaxStore::ObjView::ObjView(const MinMaxStore::Entries& entries,
     : _entries(entries), _pos(pos) {}
 
 MinMaxStore::ObjView& MinMaxStore::ObjView::operator=(const MinMaxStore::ObjView& rhs) {
-    _pos = rhs._pos;
+    if (this != &rhs) {
+        _pos = rhs._pos;
+    }
     return *this;
 }
 
@@ -208,7 +210,9 @@ MinMaxStore::Obj::operator MinMaxStore::ObjView() {
 }
 
 MinMaxStore::Obj& MinMaxStore::Obj::operator=(const MinMaxStore::Obj& rhs) {
-    _pos = rhs._pos;
+    if (this != &rhs) {
+        _pos = rhs._pos;
+    }
     return *this;
 }