Replace Qt CONSTEXPR defines with constexpr

Both normal and relaxed constexpr are required by our new minimum of
C++17.

Change-Id: Ic028b88a2e7a6cb7d5925f3133b9d54859a81744
Reviewed-by: Sona Kurazyan <sona.kurazyan@qt.io>

1 files changed, 4 insertions, 4 deletions

diff --git a/src/corelib/kernel/qsystemerror_p.h b/src/corelib/kernel/qsystemerror_p.h
index abc2f1efc1..cae04aeaa1 100644
--- a/src/corelib/kernel/qsystemerror_p.h
+++ b/src/corelib/kernel/qsystemerror_p.h
@@ -66,15 +66,15 @@ public:
         NativeError
     };
 
-    Q_DECL_CONSTEXPR explicit QSystemError(int error, ErrorScope scope)
+    constexpr explicit QSystemError(int error, ErrorScope scope)
         : errorCode(error), errorScope(scope)
     {
     }
-    Q_DECL_CONSTEXPR QSystemError() = default;
+    constexpr QSystemError() = default;
 
     QString toString() const { return string(errorScope, errorCode); }
-    Q_DECL_CONSTEXPR ErrorScope scope() const { return errorScope; }
-    Q_DECL_CONSTEXPR int error() const { return errorCode; }
+    constexpr ErrorScope scope() const { return errorScope; }
+    constexpr int error() const { return errorCode; }
 
     static Q_CORE_EXPORT QString string(ErrorScope errorScope, int errorCode);
     static Q_CORE_EXPORT QString stdString(int errorCode = -1);