[Bug 705689] Re: QT applications crash with segfault error on armel when QT is built with gcc 4.5 on natty

[Michael Hope]

Hi Jani.  Could you clarify some things please?

You mention the QGestureManager constructor, but the disassembly
mentions GestureRecognizer.  Are you referring to
QGestureManager::QGestureManager(QObject *parent) at
src/gui/kernel/qgesturemamanger.cpp:73?

You mention Q_DECLARE_METATYPE, but I can't find one near
QGestureManager.  There is a qRegisterMetaType<Qt::GestureState>()
inside QGestureManager::QGestureManager(QObject *parent).

The disassembly given seems wrong, as it's missing any ldrex/strex
instructions.  I've attached is the disassembly of
qt4-x11-4.7.1/src/gui/.obj/release-shared/qgesturemanager.o built with
Linaro GCC 4.5-2011.02 for reference.

I'm still building qt4 to see what happens...

** Attachment added: "qgesturemamanger.dump"
   https://bugs.launchpad.net/ubuntu/+source/qt4-x11/+bug/705689/+attachment/1839145/+files/qgesturemamanger.dump

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https://bugs.launchpad.net/bugs/705689

Title:
  QT applications crash with segfault error on armel when QT is built
  with gcc 4.5 on natty