3 files changed, 3 insertions, 3 deletions
diff --git a/src/plugins/platforms/windows/qwindowscontext.cpp b/src/plugins/platforms/windows/qwindowscontext.cpp
index 5cda6379de..82cc1deb23 100644
--- a/src/plugins/platforms/windows/qwindowscontext.cpp
+++ b/src/plugins/platforms/windows/qwindowscontext.cpp
@@ -187,7 +187,7 @@ void QWindowsUser32DLL::init()
     // MinGW (g++ 3.4.5) accepts only C casts.
     setLayeredWindowAttributes = (SetLayeredWindowAttributes)(library.resolve("SetLayeredWindowAttributes"));
     updateLayeredWindow = (UpdateLayeredWindow)(library.resolve("UpdateLayeredWindow"));
-    if (!setLayeredWindowAttributes || !updateLayeredWindow)
+    if (Q_UNLIKELY(!setLayeredWindowAttributes || !updateLayeredWindow))
         qFatal("This version of Windows is not supported (User32.dll is missing the symbols 'SetLayeredWindowAttributes', 'UpdateLayeredWindow').");
 
     updateLayeredWindowIndirect = (UpdateLayeredWindowIndirect)(library.resolve("UpdateLayeredWindowIndirect"));
diff --git a/src/plugins/platforms/windows/qwindowsfontdatabase.cpp b/src/plugins/platforms/windows/qwindowsfontdatabase.cpp
index a30e545807..bb7d0fd8d7 100644
--- a/src/plugins/platforms/windows/qwindowsfontdatabase.cpp
+++ b/src/plugins/platforms/windows/qwindowsfontdatabase.cpp
@@ -1582,7 +1582,7 @@ LOGFONT QWindowsFontDatabase::fontDefToLOGFONT(const QFontDef &request)
     lf.lfPitchAndFamily = DEFAULT_PITCH | hint;
 
     QString fam = request.family;
-    if (fam.size() >= LF_FACESIZE) {
+    if (Q_UNLIKELY(fam.size() >= LF_FACESIZE)) {
         qCritical("%s: Family name '%s' is too long.", __FUNCTION__, qPrintable(fam));
         fam.truncate(LF_FACESIZE - 1);
     }
diff --git a/src/plugins/platforms/windows/qwindowsnativeimage.cpp b/src/plugins/platforms/windows/qwindowsnativeimage.cpp
index 66e64e64b4..56e18e20d7 100644
--- a/src/plugins/platforms/windows/qwindowsnativeimage.cpp
+++ b/src/plugins/platforms/windows/qwindowsnativeimage.cpp
@@ -96,7 +96,7 @@ static inline HBITMAP createDIB(HDC hdc, int width, int height,
     void *bits = 0;
     HBITMAP bitmap = CreateDIBSection(hdc, reinterpret_cast<BITMAPINFO *>(&bmi),
                                       DIB_RGB_COLORS, &bits, 0, 0);
-    if (!bitmap || !bits)
+    if (Q_UNLIKELY(!bitmap || !bits))
         qFatal("%s: CreateDIBSection failed.", __FUNCTION__);
 
     *bitsIn = (uchar*)bits;