Move QT_ASCII_CAST_WARN macro from qglobal.h to qtdeprecationmarkers.h

Task-number: QTBUG-99313
Change-Id: I6449f519db3f67ed3d390295b8fa93eff28d7cda
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>

src/corelib/global/qglobal.h

@@ -63,13 +63,6 @@ Q_CORE_EXPORT Q_DECL_CONST_FUNCTION const char *qVersion(void) Q_DECL_NOEXCEPT;
 
 #if defined(__cplusplus)
 
-#ifdef QT_ASCII_CAST_WARNINGS
-#  define QT_ASCII_CAST_WARN \
-    Q_DECL_DEPRECATED_X("Use fromUtf8, QStringLiteral, or QLatin1StringView")
-#else
-#  define QT_ASCII_CAST_WARN
-#endif
-
 /*
    Utility macros and inline functions
 */

src/corelib/global/qtdeprecationmarkers.h

@@ -299,6 +299,13 @@ constexpr inline Deprecated_t Deprecated = {};
 }
 #endif
 
+#ifdef QT_ASCII_CAST_WARNINGS
+#  define QT_ASCII_CAST_WARN \
+    Q_DECL_DEPRECATED_X("Use fromUtf8, QStringLiteral, or QLatin1StringView")
+#else
+#  define QT_ASCII_CAST_WARN
+#endif
+
 QT_END_NAMESPACE
 
 #endif // QTDEPRECATIONMARKERS_H