From 840eb84affa618dddf83ee8f61a0b95987fd5d2a Mon Sep 17 00:00:00 2001
From: "Ralf W. Grosse-Kunstleve" <rwgk@google.com>
Date: Thu, 17 Jun 2021 13:13:21 -0700
Subject: [PATCH] Removing `std::get_deleter` `const_cast` to retest because
 the code has changed significantly. (#3045)

---
 include/pybind11/detail/smart_holder_poc.h | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/include/pybind11/detail/smart_holder_poc.h b/include/pybind11/detail/smart_holder_poc.h
index 47d368b8b..4df9b42fb 100644
--- a/include/pybind11/detail/smart_holder_poc.h
+++ b/include/pybind11/detail/smart_holder_poc.h
@@ -195,8 +195,7 @@ struct smart_holder {
     }
 
     void reset_vptr_deleter_armed_flag(bool armed_flag) {
-        // The const_cast is only for certain compilers (Ubuntu 20 GCC 6.3.0 being one).
-        auto vptr_del_ptr = const_cast<guarded_delete *>(std::get_deleter<guarded_delete>(vptr));
+        auto vptr_del_ptr = std::get_deleter<guarded_delete>(vptr);
         if (vptr_del_ptr == nullptr) {
             throw std::runtime_error(
                 "smart_holder::reset_vptr_deleter_armed_flag() called in an invalid context.");