[ORC] Silence a buggy GCC unused argument warning.

lhames · lhames · commit 1ece14b65275 · 2021-09-04T08:45:36.000+10:00
diff --git a/llvm/include/llvm/ExecutionEngine/Orc/Shared/WrapperFunctionUtils.h b/llvm/include/llvm/ExecutionEngine/Orc/Shared/WrapperFunctionUtils.h
@@ -315,6 +315,7 @@ class WrapperFunctionAsyncHandlerHelper<RetT(SendResultT, ArgTs...),
   static void callAsync(HandlerT &&H,
                         SerializeAndSendResultT &&SerializeAndSendResult,
                         ArgTupleT Args, std::index_sequence<I...>) {
+    (void)Args; // Silence a buggy GCC warning.
     return std::forward<HandlerT>(H)(std::move(SerializeAndSendResult),
                                      std::move(std::get<I>(Args))...);
   }

Original file line number	Diff line number	Diff line change
`@@ -315,6 +315,7 @@ class WrapperFunctionAsyncHandlerHelper<RetT(SendResultT, ArgTs...),`
`315`	`315`	`static void callAsync(HandlerT &&H,`
`316`	`316`	`SerializeAndSendResultT &&SerializeAndSendResult,`
`317`	`317`	`ArgTupleT Args, std::index_sequence<I...>) {`
	`318`	`+ (void)Args; // Silence a buggy GCC warning.`
`318`	`319`	`return std::forward<HandlerT>(H)(std::move(SerializeAndSendResult),`
`319`	`320`	`std::move(std::get<I>(Args))...);`
`320`	`321`	`}`