qHash(double) problem with Qt 4.6 (tp1)

[kyamon]

I made it!
To get it to work, I had to recompile QTCreator. Which seems to confirm that the creator in the binaries is compiled using msvc while the rest has been compiled with mingw (or here it does not matter).
In any case, all you have to do is download the QTCreator source (from trolltech), compile it from within the running (old) creator using mingw and then start it. Don't forget to set the PATH variable as it is supposed to be and you are good to go.

This is an EXTREMELY annoying problem, although I believe there is no one to blame really. But it would be nice if it could be documented somewhere, for QT as well as for qwt!