Fix warnings about unused members in tests

Change-Id: I741cf08c26f8a2e297926cc01968ff09e70462a2
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>

3 files changed, 7 insertions, 7 deletions

diff --git a/tests/auto/corelib/kernel/qmetatype/tst_qmetatype.cpp b/tests/auto/corelib/kernel/qmetatype/tst_qmetatype.cpp
index 3d729eae67..f55d115f8f 100644
--- a/tests/auto/corelib/kernel/qmetatype/tst_qmetatype.cpp
+++ b/tests/auto/corelib/kernel/qmetatype/tst_qmetatype.cpp
@@ -986,9 +986,9 @@ public:
 };
 Q_DECLARE_METATYPE(CustomMultiInheritanceObject*);
 
-class C { char _[4]; public: C() = default; C(const C&) {} };
-class M { char _[4]; public: M() {} };
-class P { char _[4]; };
+class C { Q_DECL_UNUSED_MEMBER char _[4]; public: C() = default; C(const C&) {} };
+class M { Q_DECL_UNUSED_MEMBER char _[4]; public: M() {} };
+class P { Q_DECL_UNUSED_MEMBER char _[4]; };
 
 QT_BEGIN_NAMESPACE
 #if defined(Q_CC_GNU) && Q_CC_GNU < 501
diff --git a/tests/auto/corelib/tools/qarraydata/tst_qarraydata.cpp b/tests/auto/corelib/tools/qarraydata/tst_qarraydata.cpp
index 6e32ba8039..8b78b34992 100644
--- a/tests/auto/corelib/tools/qarraydata/tst_qarraydata.cpp
+++ b/tests/auto/corelib/tools/qarraydata/tst_qarraydata.cpp
@@ -535,7 +535,7 @@ void tst_QArrayData::reallocate()
 
 class Unaligned
 {
-    char dummy[8];
+    Q_DECL_UNUSED_MEMBER char dummy[8];
 };
 
 void tst_QArrayData::alignment_data()
diff --git a/tests/auto/corelib/tools/qpair/tst_qpair.cpp b/tests/auto/corelib/tools/qpair/tst_qpair.cpp
index 0708c15530..464477d5d1 100644
--- a/tests/auto/corelib/tools/qpair/tst_qpair.cpp
+++ b/tests/auto/corelib/tools/qpair/tst_qpair.cpp
@@ -43,9 +43,9 @@ private Q_SLOTS:
     void testDeductionRules();
 };
 
-class C { C() {} char _[4]; };
-class M { M() {} char _[4]; };
-class P { char _[4]; };
+class C { C() {} Q_DECL_UNUSED_MEMBER char _[4]; };
+class M { M() {} Q_DECL_UNUSED_MEMBER char _[4]; };
+class P { Q_DECL_UNUSED_MEMBER char _[4]; };
 
 QT_BEGIN_NAMESPACE
 Q_DECLARE_TYPEINFO(M, Q_MOVABLE_TYPE);