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SFINAE __bit_iterator such that it will only get instantiated with a container that has the nested type __storage_type. This prevents accidental instantiation such as in http://llvm.org/bugs/show_bug.cgi?id=12755. This fixes http://llvm.org/bugs/show_bug.cgi?id=12755.

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@156308 91177308-0d34-0410-b5e6-96231b3b80d8
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Howard Hinnant
2012-05-07 16:50:38 +00:00
parent d2da6d2322
commit f867f6326b
3 changed files with 7 additions and 6 deletions
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2
include/vector
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@@ -1970,6 +1970,7 @@ public:
typedef allocator_traits<allocator_type> __alloc_traits;
typedef typename __alloc_traits::size_type size_type;
typedef typename __alloc_traits::difference_type difference_type;
typedef size_type __storage_type;
typedef __bit_iterator<vector, false> pointer;
typedef __bit_iterator<vector, true> const_pointer;
#ifdef _LIBCPP_DEBUG
@@ -1991,7 +1992,6 @@ public:
typedef _VSTD::reverse_iterator<const_iterator> const_reverse_iterator;
private:
typedef size_type __storage_type;
typedef typename __alloc_traits::template
#ifndef _LIBCPP_HAS_NO_TEMPLATE_ALIASES
rebind_alloc<__storage_type>