From 63495313066119dcf7510c2ae8b468b46c12ef8f Mon Sep 17 00:00:00 2001
From: "Ralf W. Grosse-Kunstleve" <rwgk@google.com>
Date: Tue, 2 Feb 2021 13:47:46 -0800
Subject: [PATCH] Commenting out const in def_buffer(... const). With this,
 test_buffers builds and runs with PYBIND11_USE_SMART_HOLDER_AS_DEFAULT.
 Explanation why the const needs to be removed, or fix elsewhere, is still
 needed, but left for later.

---
 include/pybind11/pybind11.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/include/pybind11/pybind11.h b/include/pybind11/pybind11.h
index 017b2c655e..a5aa055fad 100644
--- a/include/pybind11/pybind11.h
+++ b/include/pybind11/pybind11.h
@@ -1409,7 +1409,8 @@ class class_ : public detail::generic_type {
 
     template <typename Return, typename Class, typename... Args>
     class_ &def_buffer(Return (Class::*func)(Args...) const) {
-        return def_buffer([func] (const type &obj) { return (obj.*func)(); });
+        // NEEDED: Explanation why the const needs to be removed, or fix elsewhere.
+        return def_buffer([func] (/*const*/ type &obj) { return (obj.*func)(); });
     }
 
     template <typename C, typename D, typename... Extra>