Use C++17's [[maybe_unused]] attribute in ART

Bug: 169680875
Test: mmm art
Change-Id: Ic0cc320891c42b07a2b5520a584d2b62052e7235

1 files changed, 7 insertions, 6 deletions

diff --git a/cmdline/cmdline_parser_test.cc b/cmdline/cmdline_parser_test.cc
index effbee93c7..4d53857a09 100644
--- a/cmdline/cmdline_parser_test.cc
+++ b/cmdline/cmdline_parser_test.cc
@@ -75,12 +75,13 @@ namespace art {
   // that are nevertheless equal.
   // If a test is failing because the structs aren't "equal" when they really are
   // then it's recommended to implement operator== for it instead.
-  template <typename T, typename ... Ignore>
-  bool UsuallyEquals(const T& expected, const T& actual,
-                     const Ignore& ... more ATTRIBUTE_UNUSED,
-                     typename std::enable_if<std::is_pod<T>::value>::type* = nullptr,
-                     typename std::enable_if<!detail::SupportsEqualityOperator<T>::value>::type* = nullptr
-                     ) {
+  template <typename T, typename... Ignore>
+  bool UsuallyEquals(
+      const T& expected,
+      const T& actual,
+      [[maybe_unused]] const Ignore&... more,
+      typename std::enable_if<std::is_pod<T>::value>::type* = nullptr,
+      typename std::enable_if<!detail::SupportsEqualityOperator<T>::value>::type* = nullptr) {
     return memcmp(std::addressof(expected), std::addressof(actual), sizeof(T)) == 0;
   }