From 275a47b92c159d6f9da64de06d6890a318d7c8aa Mon Sep 17 00:00:00 2001
From: Giuseppe D'Angelo <giuseppe.dangelo@kdab.com>
Date: Sat, 8 Mar 2025 00:52:21 +0100
Subject: [PATCH] sequential_erase: amend the predicate passed to erase_if

LWG4135 applies to the quoted Standard paragraph (and therefore
to our own code as well).

https://cplusplus.github.io/LWG/issue4135

Pick-to: 6.8
Change-Id: I05caa4cba001ecc473412c789738480d8eafa0c5
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
(cherry picked from commit 41ffc92f18a1a492720d432f00761e5574076060)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
---
 src/corelib/tools/qcontainertools_impl.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/corelib/tools/qcontainertools_impl.h b/src/corelib/tools/qcontainertools_impl.h
index 7b3c000c3c6..7ce704958aa 100644
--- a/src/corelib/tools/qcontainertools_impl.h
+++ b/src/corelib/tools/qcontainertools_impl.h
@@ -372,7 +372,7 @@ template <typename Container, typename T>
 auto sequential_erase(Container &c, const T &t)
 {
     // use the equivalence relation from http://eel.is/c++draft/list.erasure#1
-    auto cmp = [&](auto &e) { return e == t; };
+    auto cmp = [&](const auto &e) -> bool { return e == t; };
     return sequential_erase_if(c, cmp); // can't pass rvalues!
 }