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From: "rguenth at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/35164] [4.3 regression] Unable to coalesce ab SSA_NAMEs Date: Tue, 12 Feb 2008 22:46:00 -0000 [thread overview] Message-ID: <20080212224545.6050.qmail@sourceware.org> (raw) In-Reply-To: <bug-35164-87@http.gcc.gnu.org/bugzilla/> ------- Comment #3 from rguenth at gcc dot gnu dot org 2008-02-12 22:45 ------- Reduced testcase without include: typedef unsigned int size_t; template<typename _Iterator, typename _Container> class __normal_iterator { public: const _Iterator& base() const; }; template<typename _BI1, typename _BI2> inline void copy_backward(_BI1 __first, _BI1 __last, _BI2 __result) { while (__first != __last) *--__result = *--__last; } template<typename _Tp> struct _Vector_base { struct _Vector_impl { _Tp* _M_finish; }; _Vector_impl _M_impl; }; template<typename _Tp > class vector : protected _Vector_base<_Tp> { typedef vector<_Tp> vector_type; typedef _Tp * pointer; typedef _Tp & reference; typedef __normal_iterator<pointer, vector_type> iterator; typedef size_t size_type; public: iterator end(); void resize(size_type __new_size) { insert(end(), __new_size); } reference operator[](size_type __n); void insert(iterator __position, size_type __n) { pointer __old_finish(this->_M_impl._M_finish); copy_backward(__position.base(), __old_finish - __n, __old_finish); } }; struct A { virtual ~A (); void incRef (); void decRef (); }; struct C : public A { static C *alloc (); }; template <class T> struct B { B () : ptr (T::alloc ()) { } B (T *a_ptr) : ptr (a_ptr) { } ~B () { decRef (); } B& operator= (const B<T>& a) { if (a.get () != this->get ()) { decRef (); incRef (); } } template<class U> operator B<U> () const { return B<U> (ptr); } T* operator-> () const { } T* get () const { return ptr; } void decRef () const { if (ptr != 0) ptr->decRef (); } void incRef () const { if (ptr != 0) ptr->incRef (); } T *ptr; }; struct D : public C { template <class T> inline void foo (const B<T> & x) { d.resize (1); d[0] = x; } vector<B <C> > d; }; struct E : public C { static E *alloc (); }; struct F : public D { static F *alloc (); }; void foo (vector<B<D> > & x) { for (int i = 0; i < 2; ++i) { B<F> l; B<E> m; l->foo (m); } } -- rguenth at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Ever Confirmed|0 |1 Last reconfirmed|0000-00-00 00:00:00 |2008-02-12 22:45:45 date| | http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35164
next prev parent reply other threads:[~2008-02-12 22:46 UTC|newest] Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top 2008-02-11 12:19 [Bug tree-optimization/35164] New: " jakub at gcc dot gnu dot org 2008-02-11 12:20 ` [Bug tree-optimization/35164] " jakub at gcc dot gnu dot org 2008-02-12 12:01 ` jakub at gcc dot gnu dot org 2008-02-12 22:04 ` rguenth at gcc dot gnu dot org 2008-02-12 22:46 ` rguenth at gcc dot gnu dot org [this message] 2008-02-13 4:06 ` rakdver at kam dot mff dot cuni dot cz 2008-02-13 4:07 ` rakdver at gcc dot gnu dot org 2008-02-15 2:59 ` rakdver at gcc dot gnu dot org 2008-02-15 9:24 ` rguenth at gcc dot gnu dot org 2008-02-15 9:24 ` rguenth at gcc dot gnu dot org 2008-02-15 12:37 ` rguenth at gcc dot gnu dot org 2008-02-15 12:37 ` rguenth at gcc dot gnu dot org 2008-02-15 14:06 ` rakdver at kam dot mff dot cuni dot cz 2008-02-15 14:13 ` rguenther at suse dot de 2008-02-15 15:25 ` rguenth at gcc dot gnu dot org 2008-02-15 15:26 ` rguenth at gcc dot gnu dot org [not found] <bug-35164-4@http.gcc.gnu.org/bugzilla/> 2020-07-28 5:54 ` rguenth at gcc dot gnu.org
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