https://bugs.kde.org/show_bug.cgi?id=376595
--- Comment #20 from Ian Haber <master.ha...@gmail.com> ---
I have created a simple test program that causes the crash.
//main.cpp
int main(int argc, char* argv[])
{
QApplication applicationInstance(argc, argv);
testGDBCrash crasher;
if (crasher.exec() != QDialog::Accepted)
return 0;
return applicationInstance.exec();
}
//testGDBCrash.h
#ifndef TESTGDBCRASH_H
#define TESTGDBCRASH_H
#include <QDialog>
#include <QObject>
class testGDBCrash : public QDialog
{
Q_OBJECT
public:
testGDBCrash(QWidget * parent=0);
Q_SLOT void TestCrash();
bool m_bInUpdate;
};
#endif // TESTGDBCRASH_H
//testGDBCrash.cpp
#include "testGDBCrash.h"
#include <QPushButton>
#include <QHBoxLayout>
testGDBCrash::testGDBCrash(QWidget* parent):QDialog(parent)
{
resize(200,100);
QHBoxLayout * layout=new QHBoxLayout(this);
QPushButton * pb=new QPushButton("crash",this);
layout->addWidget(pb);
setLayout(layout);
show();
m_bInUpdate=false;
connect(pb,SIGNAL(clicked()),this,SLOT(TestCrash()));
}
void testGDBCrash::TestCrash()
{
if(m_bInUpdate)
return;
m_bInUpdate=false;
m_bInUpdate=true;
m_bInUpdate=false;
}
Steps to crash:
1. Run
2. put a breakpoint on line 18 of testGDBCrash.cpp (the if statement)
3. break on change for m_bInUpdate
4. Continue
5. Watch crash.
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