How to debug 4.6 binaries with a Creator 3.1 (build with 5.2.1)

Hello All,

I have issues with Creator debug view listing all QObject based objects as <not accessible> - all other variables can be inspected. I believe the reason is a mismatch between the binaries I want to debug and creator.
So my questions is: How can I debug 4.6 binaries with a Creator 3.1 (build with 5.2.1)?

Any suggestion?

Thanks
Markus

update: I now switched to compiling the sources with Qt5 and I still get the same printout of the debugger in the Creator.
When I was using 4.7 is all worked fine but now all QObject derived variables just show <not accessible>.
I can switch to "raw structure" but that is very inconvenient.

I am on CentOS 6.4 if that helps with the forensics.