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-rw-r--r--gcc/testsuite/g++.dg/opt/pr47615.C711
1 files changed, 711 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/opt/pr47615.C b/gcc/testsuite/g++.dg/opt/pr47615.C
new file mode 100644
index 000000000..bbbcbe1e4
--- /dev/null
+++ b/gcc/testsuite/g++.dg/opt/pr47615.C
@@ -0,0 +1,711 @@
+// { dg-do compile }
+// { dg-options "-O -fstrict-aliasing -ftree-pre -fno-tree-fre -fno-tree-sra" }
+
+typedef __SIZE_TYPE__ size_t;
+namespace std
+{
+ template < class _T1, class > struct pair
+ {
+ _T1 first;
+ };
+}
+namespace __gnu_cxx
+{
+ template < typename _Tp > class new_allocator
+ {
+ public:
+ typedef size_t size_type;
+ typedef _Tp * pointer;
+ typedef _Tp const_pointer;
+ typedef _Tp & reference;
+ typedef const _Tp & const_reference;
+ template < typename _Tp1 > struct rebind
+ {
+ typedef new_allocator < _Tp1 > other;
+ };
+ };
+}
+namespace std
+{
+template < typename _Tp > class allocator:
+ public __gnu_cxx::new_allocator < _Tp >
+ {};
+ template < typename, typename, typename > struct binary_function;
+ template < typename _Tp > struct less:binary_function < _Tp, _Tp, bool >
+ {};
+}
+namespace __gnu_cxx
+{
+ namespace typelist
+ {
+ struct null_type;
+ template < typename Root > struct node
+ {
+ typedef Root root;
+ };
+ template < typename, typename > struct chain;
+ namespace detail
+ {
+ template < typename, int >struct chain_at_index_;
+ template
+ <
+ typename
+ Hd, typename Tl > struct chain_at_index_ <chain < Hd, Tl >, 0 >
+ {
+ typedef Hd type;
+ };
+ template
+ <
+ typename
+ Hd, typename Tl, int i > struct chain_at_index_ <chain < Hd, Tl >, i >
+ {
+ typedef typename chain_at_index_ < Tl, i - 1 >::type type;
+ };
+ }
+ template < typename Typelist, int i > struct at_index
+ {
+ typedef typename Typelist::root root_type;
+ typedef detail::chain_at_index_ < root_type, i > index_type;
+ typedef typename index_type::type type;
+ };
+ template < typename T1, typename T2 > struct create2
+ {
+ typedef node < chain < T1, chain < T2, null_type > > >type;
+ };
+ }
+}
+namespace std
+{
+ namespace tr1
+ {
+ template < typename _Tp, _Tp __v > struct integral_constant
+ {
+ static const _Tp value = __v;
+ };
+ typedef integral_constant < bool, false > false_type;
+ template < typename, typename > struct is_same:false_type
+ {};
+ }
+}
+using std::tr1::is_same;
+namespace __gnu_pbds
+{
+ struct null_mapped_type;
+ struct rb_tree_tag;
+ namespace detail
+ {
+ template < typename, typename, typename > struct basic_tree_policy_base;
+ template
+ <
+ typename
+ Const_Node_Iterator,
+ typename
+ Allocator
+ >
+ struct
+ basic_tree_policy_base
+ <Const_Node_Iterator, Const_Node_Iterator, Allocator >
+ {};
+ }
+ template
+ < typename, typename, typename, typename > struct null_tree_node_update;
+template < typename Const_Node_Iterator, typename Node_Iterator, typename, typename Allocator > class tree_order_statistics_node_update:
+ detail::basic_tree_policy_base
+ < Const_Node_Iterator, Node_Iterator, Allocator >
+ {
+ public:
+ typedef Allocator allocator_type;
+ typedef typename allocator_type::size_type size_type;
+ typedef size_type metadata_type;
+ typedef Const_Node_Iterator const_node_iterator;
+ typedef Node_Iterator node_iterator;
+ typedef
+ typename
+ allocator_type::template
+ rebind < metadata_type >::other::reference metadata_reference;
+ void operator () (node_iterator, const_node_iterator) const;
+ };
+ template
+ <
+ typename
+ Const_Node_Iterator,
+ class
+ Node_Iterator,
+ class
+ Cmp_Fn,
+ class
+ Allocator
+ >
+ inline
+ void
+ tree_order_statistics_node_update
+ <
+ Const_Node_Iterator,
+ Node_Iterator,
+ Cmp_Fn,
+ Allocator
+ >::operator
+ () (node_iterator node_it, const_node_iterator end_nd_it) const
+ {
+ node_iterator l_child_it;
+ size_type
+ l_rank = (l_child_it == end_nd_it) ? : l_child_it.get_metadata ();
+ node_iterator r_child_it = node_it.get_r_child ();
+ size_type
+ r_rank = (r_child_it == end_nd_it) ? : r_child_it.get_metadata ();
+ const_cast
+ < metadata_reference > (node_it.get_metadata ()) = l_rank + r_rank;
+ }
+ namespace
+ {
+ template < typename, typename, typename, bool > struct value_type_base;
+ template
+ <
+ typename
+ Key,
+ typename
+ Allocator
+ > struct value_type_base <Key, null_mapped_type, Allocator, false >
+ {
+ typedef Key value_type;
+ typedef
+ typename
+ Allocator::template rebind < value_type >::other value_type_allocator;
+ typedef typename value_type_allocator::pointer pointer;
+ typedef typename value_type_allocator::const_pointer const_pointer;
+ typedef typename value_type_allocator::reference reference;
+ typedef typename value_type_allocator::const_reference const_reference;
+ };
+ template
+ <
+ typename
+ Key,
+ typename
+ Mapped, typename Alloc, bool Store_Extra > struct vt_base_selector
+ {
+ typedef value_type_base < Key, Mapped, Alloc, Store_Extra > type;
+ };
+ template
+ <
+ typename
+ Key,
+ typename
+ Mapped,
+ typename
+ Alloc,
+ bool
+ Store_Extra
+ >
+ struct
+ types_traits:vt_base_selector < Key, Mapped, Alloc, Store_Extra >::type
+ {};
+ template < typename, class, class > struct dumconst_node_iterator;
+ template
+ <
+ typename
+ Key,
+ typename
+ Mapped,
+ class,
+ class
+ Node_And_It_Traits, class Allocator > class bin_search_tree_no_data_
+ {
+ protected:
+ typedef
+ typename
+ Allocator::template
+ rebind
+ < typename Node_And_It_Traits::node >::other::pointer node_pointer;
+ typedef
+ typename
+ types_traits
+ < Key, Mapped, Allocator, false >::const_reference const_reference;
+ typedef typename Node_And_It_Traits::point_iterator point_iterator;
+ typedef typename Node_And_It_Traits::node_update node_update;
+ void rotate_right (node_pointer);
+ template
+ <
+ typename
+ Node_Update_ > void apply_update (node_pointer, Node_Update_ *);
+ };
+ template
+ <
+ typename
+ Key,
+ typename
+ Mapped,
+ class
+ Cmp_Fn,
+ class
+ Node_And_It_Traits,
+ class
+ Allocator
+ >
+ void
+ bin_search_tree_no_data_
+ <
+ Key,
+ Mapped,
+ Cmp_Fn, Node_And_It_Traits, Allocator >::rotate_right (node_pointer p_x)
+ {
+ node_pointer p_y = p_x->m_p_parent;
+ p_y->m_p_right = p_x;
+ apply_update (p_x, this);
+ apply_update (p_x->m_p_parent, (node_update *) this);
+ }
+ template
+ <
+ typename
+ Key,
+ typename
+ Mapped,
+ class
+ Cmp_Fn,
+ class
+ Node_And_It_Traits,
+ class
+ Allocator
+ >
+ template
+ <
+ typename
+ Node_Update_
+ >
+ void
+ bin_search_tree_no_data_
+ <
+ Key,
+ Mapped,
+ Cmp_Fn,
+ Node_And_It_Traits,
+ Allocator >::apply_update (node_pointer p_nd, Node_Update_ *)
+ {
+ node_update ()((p_nd), ((0)));
+ }
+ }
+ namespace detail
+ {
+ template < typename Key, typename Mapped, typename Cmp_Fn, typename Node_And_It_Traits, typename Allocator > class rb_tree_no_data_:
+ bin_search_tree_no_data_
+ < Key, Mapped, Cmp_Fn, Node_And_It_Traits, Allocator >
+ {
+ typedef
+ bin_search_tree_no_data_
+ < Key, Mapped, Cmp_Fn, Node_And_It_Traits, Allocator > base_type;
+ typedef typename base_type::node_pointer node_pointer;
+ public:
+ typedef typename base_type::const_reference const_reference;
+ typedef typename base_type::point_iterator point_iterator;
+ std::pair < point_iterator, bool > insert (const_reference);
+ void insert_fixup (node_pointer);
+ };
+ template
+ <
+ typename
+ Key,
+ typename
+ Mapped,
+ typename
+ Cmp_Fn,
+ typename
+ Node_And_It_Traits,
+ typename
+ Allocator
+ >
+ std::pair
+ <
+ typename
+ rb_tree_no_data_
+ <
+ Key,
+ Mapped,
+ Cmp_Fn,
+ Node_And_It_Traits,
+ Allocator
+ >::point_iterator,
+ bool
+ >
+ rb_tree_no_data_
+ <
+ Key,
+ Mapped,
+ Cmp_Fn, Node_And_It_Traits, Allocator >::insert (const_reference)
+ {
+ std::pair < point_iterator, bool > ins_pair;
+{
+ insert_fixup (ins_pair.first.m_p_nd);
+ }
+ }
+ template
+ <
+ typename
+ Key,
+ typename
+ Mapped,
+ typename
+ Cmp_Fn,
+ typename
+ Node_And_It_Traits,
+ typename
+ Allocator
+ >
+ void
+ rb_tree_no_data_
+ <
+ Key,
+ Mapped,
+ Cmp_Fn,
+ Node_And_It_Traits, Allocator >::insert_fixup (node_pointer p_nd)
+ {
+{
+{
+{
+ rotate_right (p_nd);
+ }
+ }
+ }
+ }
+ template
+ <
+ typename,
+ typename, typename, typename, typename > struct container_base_dispatch;
+ template
+ <
+ typename
+ Key,
+ typename
+ Policy_Tl,
+ typename
+ Alloc
+ >
+ struct
+ container_base_dispatch
+ <Key, null_mapped_type, rb_tree_tag, Policy_Tl, Alloc >
+ {
+ typedef __gnu_cxx::typelist::at_index < Policy_Tl, 0 > at0;
+ typedef typename at0::type at0t;
+ typedef __gnu_cxx::typelist::at_index < Policy_Tl, 1 > at1;
+ typedef typename at1::type at1t;
+ typedef
+ rb_tree_no_data_ < Key, null_mapped_type, at0t, at1t, Alloc > type;
+ };
+ template
+ <
+ typename
+ Node_Pointer,
+ typename,
+ typename,
+ typename,
+ typename, typename, bool, class > class bin_search_tree_const_it_
+ {
+ public:
+ Node_Pointer m_p_nd;
+ };
+ template
+ <
+ typename
+ Node,
+ class
+ Const_Iterator,
+ class Iterator, class Allocator > class bin_search_tree_const_node_it_
+ {
+ typedef
+ typename
+ Allocator::template rebind < Node >::other::pointer node_pointer;
+ public:
+ typedef typename Node::metadata_type metadata_type;
+ typedef
+ typename
+ Allocator::template
+ rebind
+ < metadata_type >::other::const_reference const_metadata_reference;
+ bin_search_tree_const_node_it_ (node_pointer p_nd):
+ m_p_nd ((p_nd))
+ {}
+ const_metadata_reference get_metadata ()
+ {
+ return (m_p_nd->get_metadata ());
+ }
+ bin_search_tree_const_node_it_ ()
+ {}
+ bin_search_tree_const_node_it_
+ < Node, Const_Iterator, Iterator, Allocator > get_r_child ()
+ {
+ return ((m_p_nd->m_p_right));
+ }
+ bool operator == (bin_search_tree_const_node_it_)
+ {}
+ node_pointer m_p_nd;
+ };
+ template
+ <
+ typename,
+ typename,
+ class,
+ template
+ <
+ typename,
+ class,
+ class, class > class, class, class > struct bin_search_tree_traits;
+ template
+ <
+ typename
+ Key,
+ class
+ Cmp_Fn,
+ template
+ <
+ typename,
+ class,
+ class,
+ class
+ >
+ class
+ Node_Update,
+ class
+ Node,
+ class
+ Allocator
+ >
+ struct
+ bin_search_tree_traits
+ <Key, null_mapped_type, Cmp_Fn, Node_Update, Node, Allocator >
+ {
+ typedef
+ types_traits < Key, null_mapped_type, Allocator, false > type_traits;
+ typedef Node node;
+ typedef
+ bin_search_tree_const_it_
+ <
+ typename
+ Allocator::template
+ rebind
+ <
+ node
+ >::other::pointer,
+ typename
+ type_traits::value_type,
+ typename
+ type_traits::pointer,
+ typename
+ type_traits::const_pointer,
+ typename
+ type_traits::reference,
+ typename
+ type_traits::const_reference, true, Allocator > const_point_iterator;
+ typedef const_point_iterator point_iterator;
+ typedef
+ bin_search_tree_const_node_it_
+ <
+ Node,
+ const_point_iterator, point_iterator, Allocator > const_node_iterator;
+ typedef const_node_iterator node_iterator;
+ typedef
+ Node_Update
+ < const_node_iterator, node_iterator, Cmp_Fn, Allocator > node_update;
+ };
+ template < typename Node_Update, bool > struct tree_metadata_helper
+ {
+ typedef typename Node_Update::metadata_type type;
+ };
+ template
+ <
+ typename
+ Key,
+ typename
+ Data,
+ class
+ Cmp_Fn,
+ template
+ <
+ typename,
+ class,
+ class,
+ class
+ >
+ class Node_Update, class Allocator > struct tree_node_metadata_selector
+ {
+ typedef
+ dumconst_node_iterator < Key, Data, Allocator > dumconst_node_it;
+ enum
+ {
+ null_update = is_same < Node_Update < dumconst_node_it,
+ dumconst_node_it,
+ Cmp_Fn,
+ Allocator >,
+ null_tree_node_update < dumconst_node_it,
+ dumconst_node_it,
+ Cmp_Fn,
+ Allocator > >::value
+ };
+ typedef
+ typename
+ tree_metadata_helper
+ <
+ Node_Update
+ <
+ dumconst_node_it,
+ dumconst_node_it, Cmp_Fn, Allocator >, null_update >::type type;
+ };
+ template
+ <
+ typename,
+ typename,
+ class,
+ template
+ <
+ typename,
+ class, class, class > class, class, class > struct tree_traits;
+ template < typename Value_Type, class Metadata, class Allocator > struct rb_tree_node_
+ {
+ typedef Metadata metadata_type;
+ typedef
+ typename
+ Allocator::template
+ rebind
+ <
+ rb_tree_node_
+ < Value_Type, Metadata, Allocator > >::other::pointer node_pointer;
+ typedef
+ typename
+ Allocator::template
+ rebind < metadata_type >::other::reference metadata_reference;
+ metadata_reference get_metadata ()
+ {
+ return m_metadata;
+ }
+ node_pointer m_p_right;
+ node_pointer m_p_parent;
+ metadata_type m_metadata;
+ };
+ template
+ <
+ typename
+ Key,
+ typename
+ Mapped,
+ typename
+ Cmp_Fn,
+ template
+ <
+ typename,
+ class,
+ class,
+ class
+ >
+ class
+ Node_Update,
+ typename
+ Allocator
+ >
+ struct
+ tree_traits
+ <Key,
+ Mapped,
+ Cmp_Fn,
+ Node_Update,
+ rb_tree_tag,
+ Allocator
+ >:bin_search_tree_traits
+ <
+ Key,
+ Mapped,
+ Cmp_Fn,
+ Node_Update,
+ rb_tree_node_
+ <
+ typename
+ types_traits
+ <
+ Key,
+ Mapped,
+ Allocator,
+ false
+ >::value_type,
+ typename
+ tree_node_metadata_selector
+ <
+ Key,
+ Mapped, Cmp_Fn, Node_Update, Allocator >::type, Allocator >, Allocator >
+ {};
+ }
+template < typename Key, typename Mapped, typename Tag, typename Policy_Tl, typename Allocator > class container_base:
+ public
+ detail::container_base_dispatch
+ < Key, Mapped, Tag, Policy_Tl, Allocator >::type
+ {};
+template < typename Key, typename Mapped, typename Tag, typename, typename Policy_Tl, typename Allocator > class basic_tree:
+ public
+ container_base < Key, Mapped, Tag, Policy_Tl, Allocator >
+ {};
+ template
+ <
+ typename
+ Key,
+ typename
+ Mapped,
+ typename
+ Cmp_Fn
+ =
+ std::less
+ <
+ Key
+ >,
+ typename
+ Tag
+ =
+ rb_tree_tag,
+ template
+ <
+ typename,
+ typename,
+ typename,
+ typename
+ >
+ class
+ Node_Update
+ =
+ null_tree_node_update,
+ typename
+ Allocator
+ =
+ std::allocator
+ <
+ char
+ > >class
+ tree:public
+ basic_tree
+ <
+ Key,
+ Mapped,
+ Tag,
+ detail::tree_traits
+ <
+ Key,
+ Mapped,
+ Cmp_Fn,
+ Node_Update,
+ Tag,
+ Allocator
+ >,
+ typename
+ __gnu_cxx::typelist::create2
+ <
+ Cmp_Fn,
+ detail::tree_traits
+ < Key, Mapped, Cmp_Fn, Node_Update, Tag, Allocator > >::type, Allocator >
+ {};
+}
+using namespace std;
+using namespace __gnu_pbds;
+typedef
+ tree
+ <
+ int,
+ null_mapped_type,
+ less < int >, rb_tree_tag, tree_order_statistics_node_update > set_t;
+main ()
+{
+ set_t s;
+ s.insert (12);
+}