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?)
On Wed, Jul 3, 2013 at 1:33 PM, Haroogan <haroo...@gmail.com> wrote:
> > This is known problem. See
> > https://bugreports.qt-project.org/browse/QTBUG-29099. It for Qt5 but
> > for Qt4 is the same. You can't now use -O3 with mingw toolchains based
> > on gcc-4.7.3+.
> I think you got me wrong there.
> I have no problems building the whole Qt (including QtCore) with -O3 flag.
> It builds just fine, and cc1plus.exe is not crashing.
> I'm saying that rather applications based on the resulting QtCore.dll
> are crashing, and the trace shows that this is because of QtCore.dll
> itself.
> Once again, rebuilding QtCore.dll with -O2 solves the issue: it stops
> crashing.
>
> Regards,
> Haroogan
>
>
>
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