re PR tree-optimization/56029 (ICE: verify_gimple failed, location references…

re PR tree-optimization/56029 (ICE: verify_gimple failed, location references block not in block tree)

	PR tree-optimization/56029
	* tree-phinodes.c (reserve_phi_args_for_new_edge): Set
	gimple_phi_arg_location for the new arg to UNKNOWN_LOCATION.

	* g++.dg/torture/pr56029.C: New test.

From-SVN: r195304

gcc/ChangeLog

+2013-01-18  Jakub Jelinek  <jakub@redhat.com>
+
+	PR tree-optimization/56029
+	* tree-phinodes.c (reserve_phi_args_for_new_edge): Set
+	gimple_phi_arg_location for the new arg to UNKNOWN_LOCATION.
+
 2013-01-18  Sharad Singhai  <singhai@google.com>
 
 	PR tree-optimization/55995

gcc/testsuite/ChangeLog

+2013-01-18  Jakub Jelinek  <jakub@redhat.com>
+
+	PR tree-optimization/56029
+	* g++.dg/torture/pr56029.C: New test.
+
 2013-01-18  Sharad Singhai  <singhai@google.com>
 
 	PR tree-optimization/55995

gcc/testsuite/g++.dg/torture/pr56029.C

+// PR tree-optimization/56029
+// { dg-do compile }
+
+template <class T>
+struct DefaultDeleter
+{
+  void operator () (T * ptr) { delete ptr; }
+};
+template <class T, class D>
+struct scoped_ptr_impl
+{
+  scoped_ptr_impl (T * p):data_ (p) {}
+  template <typename U, typename V>
+  scoped_ptr_impl (scoped_ptr_impl <U, V> *other):data_ (other->release (), get_deleter ()) {}
+  ~scoped_ptr_impl () { static_cast <D> (data_) (data_.ptr); }
+  void reset (T * p) { data_.ptr = p; }
+  D get_deleter () {}
+  T *release () { data_.ptr = __null; }
+  struct Data
+  : D
+  {
+    Data (T *) : ptr () {}
+    Data (T *, D) : D (), ptr () {}
+    T *ptr;
+  };
+  Data data_;
+};
+template <class T, class D = DefaultDeleter <T> >
+struct scoped_ptr
+{
+  struct RValue
+  {
+    RValue (scoped_ptr * object):object (object) {}
+    scoped_ptr *object;
+  };
+  scoped_ptr Pass () { return scoped_ptr ((this)); }
+  typedef T element_type;
+  typedef D deleter_type;
+  scoped_ptr () : impl_ (__null) {}
+  scoped_ptr (RValue rvalue) : impl_ (&rvalue.object->impl_) {}
+  void reset (element_type * p) { impl_.reset (p); }
+  scoped_ptr_impl <element_type, deleter_type> impl_;
+};
+template <typename>
+struct Callback;
+struct ClientSocketFactory;
+struct DatagramClientSocket;
+struct DnsSocketPool
+{
+  scoped_ptr <DatagramClientSocket> CreateConnectedSocket ();
+  ClientSocketFactory *socket_factory_;
+};
+int RandInt (int, int);
+struct BindStateBase {};
+struct CallbackBase
+{
+  CallbackBase (BindStateBase *);
+  ~CallbackBase ();
+};
+template <typename, typename, typename>
+struct BindState;
+template <typename R, typename A1, typename A2>
+struct Callback <R (A1, A2)> : CallbackBase
+{
+  template <typename Runnable, typename BindRunType, typename BoundArgsType>
+  Callback (BindState <Runnable, BindRunType, BoundArgsType> *bind_state) : CallbackBase (bind_state) {}
+};
+typedef Callback <int (int, int)>
+RandIntCallback;
+struct ClientSocketFactory
+{
+  virtual DatagramClientSocket *CreateDatagramClientSocket (RandIntCallback) = 0;
+};
+template <typename>
+struct RunnableAdapter;
+template <typename R, typename A1, typename A2>
+struct RunnableAdapter <R (*) (A1, A2)>
+{
+  typedef R (RunType) (A1, A2);
+};
+template <typename T>
+struct FunctorTraits
+{
+  typedef RunnableAdapter <T> RunnableType;
+  typedef typename RunnableType::RunType RunType;
+};
+template <typename T>
+typename FunctorTraits <T>::RunnableType MakeRunnable (T)
+{
+}
+template <int, typename, typename>
+struct Invoker;
+template <typename StorageType, typename R, typename X1, typename X2>
+struct Invoker <0, StorageType, R (X1, X2)>
+{
+  typedef R (UnboundRunType) (X1, X2);
+};
+template <typename Runnable, typename RunType>
+struct BindState <Runnable, RunType, void ()> : BindStateBase
+{
+  typedef Runnable RunnableType;
+  typedef Invoker <0, BindState, RunType> InvokerType;
+  typedef typename InvokerType::UnboundRunType UnboundRunType;
+  BindState (Runnable):runnable_ () {}
+  RunnableType runnable_;
+};
+template <typename Functor>
+Callback <typename BindState <typename FunctorTraits <Functor>::RunnableType, typename FunctorTraits <Functor>::RunType, void ()>::UnboundRunType>
+Bind (Functor functor)
+{
+  typedef typename FunctorTraits <Functor>::RunnableType RunnableType;
+  typedef typename FunctorTraits <Functor>::RunType RunType;
+  typedef BindState <RunnableType, RunType, void ()> BindState;
+  Callback <typename BindState::UnboundRunType> (new BindState (MakeRunnable (functor)));
+}
+struct DatagramClientSocket
+{
+  virtual ~ DatagramClientSocket ();
+};
+scoped_ptr <DatagramClientSocket>
+DnsSocketPool::CreateConnectedSocket ()
+{
+  scoped_ptr <DatagramClientSocket> socket;
+  socket.reset (socket_factory_->CreateDatagramClientSocket (Bind (RandInt)));
+  socket.Pass ();
+}

gcc/tree-phinodes.c

@@ -312,6 +312,7 @@ reserve_phi_args_for_new_edge (basic_block bb)
 	 redirects edges, and then fixes up PHI arguments later in
 	 batch.  */
       SET_PHI_ARG_DEF (stmt, len - 1, NULL_TREE);
+      gimple_phi_arg_set_location (stmt, len - 1, UNKNOWN_LOCATION);
 
       stmt->gimple_phi.nargs++;
     }