[LLVMbugs] [Bug 18352] New: wrong std::decay< const std::nullptr_t >::type

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=18352

            Bug ID: 18352
           Summary: wrong std::decay< const std::nullptr_t >::type
           Product: clang
           Version: 3.3
          Hardware: Macintosh
                OS: MacOS X
            Status: NEW
          Severity: normal
          Priority: P
         Component: C++11
          Assignee: unassignedclangbugs at nondot.org
          Reporter: sizov at phys.ru
                CC: dgregor at apple.com, llvmbugs at cs.uiuc.edu
    Classification: Unclassified

#include <cstddef>
#include <type_traits>
#include <iostream>

#define test( _type ) \
    { \
        bool s1 = std::is_same< _type, typename std::decay< const _type >::type
>::value; \
        bool s2 = std::is_same< const _type *, typename std::decay< const _type
>::type >::value; \
        std::cout << s1 << " " << s2 << std::endl; \
    }

int main()
{
    // OK
    test( std::string )
    // BAD
    test( std::nullptr_t )

    // compiled by clang:
    //   1 0
    //   0 1
    // compiled by gcc48:
    //   1 0
    //   1 0
}

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