fix some compiler warnings

Signed-off-by: Ivailo Monev <xakepa10@gmail.com>

src/3rdparty/javascriptcore/JavaScriptCore/wtf/TCSystemAlloc.cpp

@@ -109,9 +109,6 @@ DEFINE_int32(malloc_devmem_start, 0,
 DEFINE_int32(malloc_devmem_limit, 0,
              "Physical memory limit location in MB for /dev/mem allocation."
              "  Setting this to 0 means no limit.");
-#else
-static const int32_t FLAGS_malloc_devmem_start = 0;
-static const int32_t FLAGS_malloc_devmem_limit = 0;
 #endif
 
 #if HAVE(SBRK)

src/core/tools/qtextboundaryfinder.h

@@ -101,7 +101,6 @@ private:
     int length;
     int pos;
     uint freePrivate : 1;
-    uint unused : 31;
     QTextBoundaryFinderPrivate *d;
 };
 

src/dbus/qdbuserror.h

@@ -105,7 +105,6 @@ private:
     ErrorType code;
     QString msg;
     QString nm;
-    void *unused;
 };
 
 #ifndef QT_NO_DEBUG_STREAM

src/imports/shaders/scenegraph/qsggeometry.h

@@ -123,10 +123,7 @@ private:
     void *m_data;
     int m_index_data_offset;
 
-    void *m_reserved_pointer;
-
     uint m_owns_data : 1;
-    uint m_reserved_bits : 31;
 
     float m_prealloc[16];
 };

src/imports/shaders/shadereffectsource.cpp

@@ -79,8 +79,6 @@ ShaderEffectSource::ShaderEffectSource(QDeclarativeItem *parent)
     , m_refs(0)
     , m_dirtyTexture(true)
     , m_dirtySceneGraph(true)
-    , m_multisamplingSupported(false)
-    , m_checkedForMultisamplingSupport(false)
     , m_live(true)
     , m_hideSource(false)
     , m_mirrored(false)

src/imports/shaders/shadereffectsource.h

@@ -145,8 +145,6 @@ private:
     int m_refs;
     bool m_dirtyTexture : 1;
     bool m_dirtySceneGraph : 1;
-    bool m_multisamplingSupported : 1;
-    bool m_checkedForMultisamplingSupport : 1;
     bool m_live : 1;
     bool m_hideSource : 1;
     bool m_mirrored : 1;

src/multimedia/audio/qaudioinput_alsa_p.h

@@ -135,7 +135,6 @@ private:
     snd_async_handler_t* ahandler;
     snd_pcm_access_t access;
     snd_pcm_format_t pcmformat;
-    snd_timestamp_t* timestamp;
     snd_pcm_hw_params_t *hwparams;
 };
 

src/multimedia/audio/qaudiooutput_alsa_p.h

@@ -142,7 +142,6 @@ private:
     snd_async_handler_t* ahandler;
     snd_pcm_access_t access;
     snd_pcm_format_t pcmformat;
-    snd_timestamp_t* timestamp;
     snd_pcm_hw_params_t *hwparams;
 };
 

src/xmlpatterns/projection/qprojectedexpression_p.h

@@ -110,6 +110,7 @@ namespace QPatternist
                                                m_axis(axis)
         {
             Q_ASSERT(m_test);
+            Q_UNUSED(m_axis);
         }
 
         virtual Action actionForElement(const QXmlName name,