Please do as much as you can to aid the debugging process.
Can you provide these traces?
Also, can you try to bisect down to the first GCC that breaks this for
you? There have been a lot of GCCs between 4.7.1 and 4.8.0 (can you
try with 4.8.1 now?)
I'm very sorry, I'd be glad to help, but unfortunately reporting is all
I can do for now as I'm out of time (the semester is ending :)...
If this issue is not solved in 2 or 3 weeks later, I'd sure join in
helping you to pin it down.
I think there should be someone with Qt 4.8.5 and this MinGW-w64
distribution to test it out.
*HINT:* When Qt is built, to rebuild only QtCore with different flags,
and to play around with it (without reconfiguring and rebuilding the
whole Qt), go to <qt-build-root>/src/corelib/.
Now in Makefile.Release you can edit CFLAGS and CXXFLAGS for QtCore
exclusively.
To rebuild, in <qt-build-root> do:
make sub-corelib-clean
to clean output of previous QtCore build, and
make sub-corelib
to rebuild only QtCore (with newly edited flags).
Regards,
Haroogan
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