Seg Fault

[giusepped]

I have the following code which compiles:

#include "mainwindow.h"
#include <QtGui>
mainWindow::mainWindow(QWidget *parent): QMainWindow(parent)
{
	detailsText  = new QTextEdit();
	listTable    = new QTableView();
	mainSplitter = new QSplitter(Qt::Horizontal,this);
	mainSplitter->addWidget(listTable);
	mainSplitter->addWidget(detailsText);
	setCentralWidget(mainSplitter);
}
 
 
mainWindow::~mainWindow()
{
}

#include "mainwindow.h"
#include <QtGui>
mainWindow::mainWindow(QWidget *parent): QMainWindow(parent)
{
	detailsText  = new QTextEdit();
	listTable    = new QTableView();
	mainSplitter = new QSplitter(Qt::Horizontal,this);
	mainSplitter->addWidget(listTable);
	mainSplitter->addWidget(detailsText);
	setCentralWidget(mainSplitter);
}


mainWindow::~mainWindow()
{
}

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But the execution fires a seg fault. Why?