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[libc++] Const qualify __gnu_cxx::hash_map<>::const_iterator::pointer type.

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Differential Revision: http://llvm-reviews.chandlerc.com/D2811

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@202749 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Peter Collingbourne 2014-03-03 19:50:01 +00:00
parent 53c0e72d5c
commit be8a99ad0f
2 changed files with 20 additions and 2 deletions
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4
include/ext/hash_map
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@ -430,9 +430,9 @@ public:
typedef const value_type& reference; typedef const value_type& reference;
typedef typename __pointer_traits::template typedef typename __pointer_traits::template
#ifndef _LIBCPP_HAS_NO_TEMPLATE_ALIASES #ifndef _LIBCPP_HAS_NO_TEMPLATE_ALIASES
rebind<value_type> rebind<const value_type>
#else #else
rebind<value_type>::other rebind<const value_type>::other
#endif #endif
pointer; pointer;

18
test/extensions/hash_map/const_iterator.fail.cpp Normal file
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@ -0,0 +1,18 @@
//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include <ext/hash_map>
int main()
{
__gnu_cxx::hash_map<int, int> m;
m[1] = 1;
const __gnu_cxx::hash_map<int, int> &cm = m;
cm.find(1)->second = 2; // error
}