llvm-capstone/clang/test/Analysis/qt_malloc.cpp

// RUN: %clang_analyze_cc1 -std=c++11 -analyzer-checker=core,alpha.deadcode.UnreachableCode,alpha.core.CastSize,unix.Malloc,cplusplus -analyzer-store=region -verify %s
// expected-no-diagnostics
#include "Inputs/qt-simulator.h"

void send(QObject *obj)
{
  QEvent *e1 = new QEvent(QEvent::None);
  static_cast<QApplication *>(QCoreApplication::instance())->postEvent(obj, e1);
  QEvent *e2 = new QEvent(QEvent::None);
  QCoreApplication::instance()->postEvent(obj, e2);
  QEvent *e3 = new QEvent(QEvent::None);
  QCoreApplication::postEvent(obj, e3);
  QEvent *e4 = new QEvent(QEvent::None);
  QApplication::postEvent(obj, e4);
}

void connect(QObject *obj) {
  obj->connectImpl(nullptr, nullptr, nullptr, nullptr,
                   new QtPrivate::QSlotObjectBase(), (Qt::ConnectionType)0,
                   nullptr, nullptr);
}