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-rw-r--r--libcxx/include/scoped_allocator14
1 files changed, 14 insertions, 0 deletions
diff --git a/libcxx/include/scoped_allocator b/libcxx/include/scoped_allocator
index aa8bece6d33..5864689d1f2 100644
--- a/libcxx/include/scoped_allocator
+++ b/libcxx/include/scoped_allocator
@@ -38,6 +38,7 @@ public:
typedef see below propagate_on_container_copy_assignment;
typedef see below propagate_on_container_move_assignment;
typedef see below propagate_on_container_swap;
+ typedef see below is_always_equal;
template <class Tp>
struct rebind
@@ -170,6 +171,14 @@ struct __get_poc_swap<_A0, _Allocs...>
__get_poc_swap<_Allocs...>::value;
};
+template <class _A0, class ..._Allocs>
+struct __get_poc_always_equal<_A0, _Allocs...>
+{
+ static const bool value =
+ allocator_traits<_A0>::is_always_equal::value ||
+ __get_poc_always_equal<_Allocs...>::value;
+};
+
template <class ..._Allocs>
class __scoped_allocator_storage;
@@ -397,6 +406,11 @@ public:
bool,
__get_poc_swap<outer_allocator_type, _InnerAllocs...>::value
> propagate_on_container_swap;
+ typedef integral_constant
+ <
+ bool,
+ __get_poc_always_equal<outer_allocator_type, _InnerAllocs...>::value
+ > is_always_equal;
template <class _Tp>
struct rebind
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