Turned off the use of CheckerGccPlugins for the Athena build.

In order to allow LTO to be used, as a temporary measure.

Projects/Athena/build.sh

 #!/bin/bash
 #
-# Copyright (C) 2002-2021 CERN for the benefit of the ATLAS collaboration
+# Copyright (C) 2002-2024 CERN for the benefit of the ATLAS collaboration
 #
 # Script for building the Athena project.
 #
@@ -9,7 +9,7 @@
 ATLAS_PROJECT_NAME="Athena"
 ATLAS_PROJECT_DIR=$(cd $(dirname ${BASH_SOURCE[0]}) && pwd)
 ATLAS_BUILDTYPE="RelWithDebInfo"
-ATLAS_EXTRA_CMAKE_ARGS=()
+ATLAS_EXTRA_CMAKE_ARGS=(-DATLAS_USE_GCC_CHECKERS=FALSE)
 ATLAS_EXTRA_MAKE_ARGS=()
 
 # Let "the common script" do all the heavy lifting.