Comment 4 for bug 800437

StacktraceTop:
 _mm_stream_si128 (dest=<value optimized out>, value=4294967295, count=<value optimized out>) at /usr/lib/x86_64-linux-gnu/gcc/x86_64-linux-gnu/4.6.1/include/emmintrin.h:1424
 qt_memfill32_sse2 (dest=<value optimized out>, value=4294967295, count=<value optimized out>) at painting/qdrawhelper_sse2.cpp:269
 qt_memfill32_sse2 (dest=<value optimized out>, value=4294967295, count=<value optimized out>) at painting/qdrawhelper_sse2.cpp:242
 fillRect_normalized (r=<value optimized out>, data=0xed7ec0, pe=0xa06f50) at painting/qpaintengine_raster.cpp:1488
 QRasterPaintEngine::fillRect (this=0xba3370, r=..., data=0xed7ec0) at painting/qpaintengine_raster.cpp:1880