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

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

1 files changed, 2 insertions, 2 deletions

diff --git a/libartbase/base/debug_stack.h b/libartbase/base/debug_stack.h
index 4bbaee88f1..f3ee310afc 100644
--- a/libartbase/base/debug_stack.h
+++ b/libartbase/base/debug_stack.h
@@ -55,7 +55,7 @@ class DebugStackRefCounterImpl<false> {
 template <>
 class DebugStackReferenceImpl<false> {
  public:
-  explicit DebugStackReferenceImpl(DebugStackRefCounterImpl<false>* counter ATTRIBUTE_UNUSED) {}
+  explicit DebugStackReferenceImpl([[maybe_unused]] DebugStackRefCounterImpl<false>* counter) {}
   DebugStackReferenceImpl(const DebugStackReferenceImpl& other) = default;
   DebugStackReferenceImpl& operator=(const DebugStackReferenceImpl& other) = default;
   void CheckTop() { }
@@ -64,7 +64,7 @@ class DebugStackReferenceImpl<false> {
 template <>
 class DebugStackIndirectTopRefImpl<false> {
  public:
-  explicit DebugStackIndirectTopRefImpl(DebugStackReferenceImpl<false>* ref ATTRIBUTE_UNUSED) {}
+  explicit DebugStackIndirectTopRefImpl([[maybe_unused]] DebugStackReferenceImpl<false>* ref) {}
   DebugStackIndirectTopRefImpl(const DebugStackIndirectTopRefImpl& other) = default;
   DebugStackIndirectTopRefImpl& operator=(const DebugStackIndirectTopRefImpl& other) = default;
   void CheckTop() { }