Report and work around a test that doesn’t build with GCC 16

0001-Omit-the-bind-block-in-test-Test-Mutex-FunctorCondit.patch

@@ -0,0 +1,38 @@
+From 8e8c72e1cb92d63aa2aaa7f9d8ccb059250928d1 Mon Sep 17 00:00:00 2001
+From: "Benjamin A. Beasley" <code@musicinmybrain.net>
+Date: Fri, 9 Jan 2026 07:37:42 +0000
+Subject: [PATCH] =?UTF-8?q?Omit=20the=20=E2=80=9Cbind=E2=80=9D=20block=20i?=
+ =?UTF-8?q?n=20test=20Test=20Mutex::FunctorCondition?=
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Work around failure to compile with GCC 16,
+https://github.com/abseil/abseil-cpp/issues/1992.
+---
+ absl/synchronization/mutex_test.cc | 2 ++
+ 1 file changed, 2 insertions(+)
+
+diff --git a/absl/synchronization/mutex_test.cc b/absl/synchronization/mutex_test.cc
+index 793acf8c..7acd2e56 100644
+--- a/absl/synchronization/mutex_test.cc
++++ b/absl/synchronization/mutex_test.cc
+@@ -1022,6 +1022,7 @@ TEST(Mutex, FunctorCondition) {
+     EXPECT_TRUE(c.Eval());
+   }
+ 
++#if 0
+   {  // bind
+     int value = 0;
+     auto is_positive = std::bind(std::less<int>(), 0, std::cref(value));
+@@ -1030,6 +1031,7 @@ TEST(Mutex, FunctorCondition) {
+     value = 1;
+     EXPECT_TRUE(c.Eval());
+   }
++#endif
+ 
+   {  // std::function
+     int value = 3;
+-- 
+2.52.0
+

abseil-cpp.spec

@@ -24,6 +24,12 @@ License:        Apache-2.0 AND LicenseRef-Fedora-Public-Domain
 URL:            https://abseil.io
 Source:         https://github.com/abseil/abseil-cpp/archive/%{version}/%{name}-%{version}.tar.gz
 
+# Omit the “bind” block in test Test Mutex::FunctorCondition
+#
+# Work around failure to compile with GCC 16,
+# https://github.com/abseil/abseil-cpp/issues/1992.
+Patch:          0001-Omit-the-bind-block-in-test-Test-Mutex-FunctorCondit.patch
+
 BuildRequires:  cmake
 # The default make backend would work just as well; ninja is observably faster
 BuildRequires:  ninja-build