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.
llvm-svn: 156308
Cr-Mirrored-From: sso://chromium.googlesource.com/_direct/external/github.com/llvm/llvm-project
Cr-Mirrored-Commit: 0ae9efeb1a14a665a0f5d6819e25a83cc6ea348a
diff --git a/include/vector b/include/vector
index 61f0aef..0d5b6b8 100644
--- a/include/vector
+++ b/include/vector
@@ -1970,6 +1970,7 @@
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 @@
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>