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/* { dg-do compile } */
/* { dg-options "-O2" } */
/* PRE testcase for PR 24231, problem with PRE coalescing abnormal phis.  */
struct MemoryManager {
      virtual void deallocate() = 0;
};
struct XalanVector {
      ~XalanVector()   {
              m_memoryManager->deallocate();
                }
        void swap(XalanVector& theOther)   {
                MemoryManager* const theTempManager = m_memoryManager;
                    m_memoryManager = theOther.m_memoryManager;
                        theOther.m_memoryManager = theTempManager;
                            theOther.m_size = 0;
                              }
          void push_back()   {
                  XalanVector theTemp(*this);
                      theTemp.push_back();
                          swap(theTemp);
                            }
            MemoryManager* m_memoryManager;
              int m_size;
};
void f(void) {
      XalanVector tempVector;
        tempVector.push_back();
}