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      1 //===----------------------------------------------------------------------===//
      2 //
      3 //                     The LLVM Compiler Infrastructure
      4 //
      5 // This file is dual licensed under the MIT and the University of Illinois Open
      6 // Source Licenses. See LICENSE.TXT for details.
      7 //
      8 //===----------------------------------------------------------------------===//
      9 
     10 // UNSUPPORTED: c++98, c++03, c++11
     11 
     12 // <propagate_const>
     13 
     14 // propagate_const::operator const element_type*() const;
     15 
     16 #include <experimental/propagate_const>
     17 #include "propagate_const_helpers.h"
     18 #include <type_traits>
     19 
     20 using std::experimental::propagate_const;
     21 
     22 typedef propagate_const<X> P;
     23 
     24 int main() {
     25   static_assert(!std::is_convertible<const P, const int *>::value, "");
     26 }
     27