Move qt_noop() into a separate header

This was the last function left in qglobal.h.

Task-number: QTBUG-106154
Task-number: QTBUG-99313
Change-Id: I6b16744b2811b7ca9837742610d72b85da7c76b2
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>

src/corelib/CMakeLists.txt

@@ -81,6 +81,7 @@ qt_internal_add_module(Core
         global/qtconfigmacros.h
         global/qtdeprecationmarkers.h
         global/qtenvironmentvariables.cpp global/qtenvironmentvariables.h
+        global/qtnoop.h
         global/qtpreprocessorsupport.h
         global/qtrace_p.h
         global/qtresource.h

src/corelib/global/qglobal.h

@@ -27,7 +27,7 @@
 
 #include <QtCore/qtpreprocessorsupport.h>
 
-inline void qt_noop(void) {}
+#include <QtCore/qtnoop.h>
 
 #include <QtCore/qsystemdetection.h>
 #include <QtCore/qprocessordetection.h>

src/corelib/global/qtnoop.h

@@ -0,0 +1,13 @@
+// Copyright (C) 2022 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
+
+#ifndef QTNOOP_H
+#define QTNOOP_H
+
+#if 0
+#pragma qt_sync_stop_processing
+#endif
+
+inline void qt_noop(void) {}
+
+#endif // QTNOOP_H