q16Dot16Compare generates exceptions when FPU exceptions are unmasked

When FPU exceptions are unmasked _ftol2_pentium4() generates exceptions.

QtGuid4.dll!_ftol2_pentium4() + 0xc bytes Asm
QtGuid4.dll!q16Dot16Compare(double p1=414892.51313755795, double p2=0.00000000000000000) Line 687 + 0x11 bytes C++
QtGuid4.dll!QRasterizer::rasterizeLine(const QPointF & a=

{...}, const QPointF & b={...}

, double width=414892.51313755795, bool squareCap=true) Line 692 + 0x2d bytes C++
QtGuid4.dll!QRasterPaintEngine::drawLines(const QLineF * lines=0x0012a40c, int lineCount=1) Line 3509 C++
QtGuid4.dll!QPainter::drawLines(const QLineF * lines=0x0012a40c, int lineCount=1) Line 3989 C++
QtGuid4.dll!QPainter::drawLine(const QLineF & l=

{...}) Line 500 C++
QtGuid4.dll!QPainter::drawLine(const QPointF & p1={...}

, const QPointF & p2=

{...}

) Line 522 C++