From 5bb38c10b3039099080304f66146675f2d688486 Mon Sep 17 00:00:00 2001
From: "Ralf W. Grosse-Kunstleve" <rwgk@google.com>
Date: Mon, 14 Jun 2021 15:00:10 -0700
Subject: [PATCH] MSVC 2015 compatibility.

---
 tests/test_class_sh_shared_from_this.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tests/test_class_sh_shared_from_this.cpp b/tests/test_class_sh_shared_from_this.cpp
index 09fdbff12..a021d4e42 100644
--- a/tests/test_class_sh_shared_from_this.cpp
+++ b/tests/test_class_sh_shared_from_this.cpp
@@ -112,7 +112,9 @@ struct RescuingDeleter {
     explicit RescuingDeleter(PyWrapper *pyw) : pyw{pyw} {}
     void operator()(ToBeWrapped *raw_ptr) {
         if (pyw->self.get() != nullptr) {
+#if !defined(_MSC_VER) || _MSC_VER >= 1912
             assert(raw_ptr->weak_from_this().expired()); // CRITICAL
+#endif
             pyw->wobj = std::shared_ptr<ToBeWrapped>(raw_ptr, *this);
             pyw->self.reset();
         } else {