test: fix cctest -Wunused-variable warning

bnoordhuis · MayaLekova · commit 500eca377b64 · 2018-05-08T17:35:15.000+02:00
PR-URL: nodejs#18530 Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com> Reviewed-By: Daniel Bevenius <daniel.bevenius@gmail.com>
diff --git a/test/cctest/test_node_postmortem_metadata.cc b/test/cctest/test_node_postmortem_metadata.cc
@@ -130,7 +130,7 @@ TEST_F(DebugSymbolsTest, ReqWrapList) {
   // NOTE (mmarchini): Workaround to fix failing tests on ARM64 machines with
   // older GCC. Should be removed once we upgrade the GCC version used on our
   // ARM64 CI machinies.
-  for (auto it : *(*env)->req_wrap_queue()) {}
+  for (auto it : *(*env)->req_wrap_queue()) (void) &it;
 
   auto queue = reinterpret_cast<uintptr_t>((*env)->req_wrap_queue());
   auto head = queue +
