Ignore additional warning

python/dune/perftool/pdelab/localoperator.py

@@ -692,6 +692,7 @@ def generate_localoperator_kernels(formdata, data):
     post_include("#pragma GCC diagnostic push", filetag="operatorfile")
     post_include("#pragma GCC diagnostic ignored \"-Wsign-compare\"", filetag="operatorfile")
     post_include("#pragma GCC diagnostic ignored \"-Wunused-variable\"", filetag="operatorfile")
+    post_include("#pragma GCC diagnostic ignored \"-Wunused-but-set-variable\"", filetag="operatorfile")
     end_of_file("#pragma GCC diagnostic pop", filetag="operatorfile")
 
     # Trigger this one once early on to assure that template