[libcxx] r202749 - [libc++] Const qualify __gnu_cxx::hash_map<>::const_iterator::pointer type.

[Peter Collingbourne]

Author: pcc
Date: Mon Mar  3 13:50:01 2014
New Revision: 202749

URL: http://llvm.org/viewvc/llvm-project?rev=202749&view=rev
Log:
[libc++] Const qualify __gnu_cxx::hash_map<>::const_iterator::pointer type.

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

Added:
    libcxx/trunk/test/extensions/
    libcxx/trunk/test/extensions/hash_map/
    libcxx/trunk/test/extensions/hash_map/const_iterator.fail.cpp
Modified:
    libcxx/trunk/include/ext/hash_map

Modified: libcxx/trunk/include/ext/hash_map
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/ext/hash_map?rev=202749&r1=202748&r2=202749&view=diff
==============================================================================
--- libcxx/trunk/include/ext/hash_map (original)
+++ libcxx/trunk/include/ext/hash_map Mon Mar  3 13:50:01 2014
@@ -430,9 +430,9 @@ public:
     typedef const value_type&                                    reference;
     typedef typename __pointer_traits::template
 #ifndef _LIBCPP_HAS_NO_TEMPLATE_ALIASES
-            rebind<value_type>
+            rebind<const value_type>
 #else
-            rebind<value_type>::other
+            rebind<const value_type>::other
 #endif
                                                                  pointer;
 

Added: libcxx/trunk/test/extensions/hash_map/const_iterator.fail.cpp
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/extensions/hash_map/const_iterator.fail.cpp?rev=202749&view=auto
==============================================================================
--- libcxx/trunk/test/extensions/hash_map/const_iterator.fail.cpp (added)
+++ libcxx/trunk/test/extensions/hash_map/const_iterator.fail.cpp Mon Mar  3 13:50:01 2014
@@ -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
+}