[Bug libstdc++/60326] Incorrect type from std::make_unsigned<wchar_t>

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60326

--- Comment #5 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Author: redi
Date: Fri Jun 13 11:59:22 2014
New Revision: 211636

URL: https://gcc.gnu.org/viewcvs?rev=211636&root=gcc&view=rev
Log:
2014-06-13  Jonathan Wakely  <jwakely@redhat.com>

    Backport from mainline
    PR libstdc++/60326
    * include/std/type_traits (__make_unsigned, __make_signed): Define
    specializations for wchar_t, char16_t and char32_t.
    * testsuite/20_util/make_signed/requirements/typedefs-4.cc: New.
    * testsuite/20_util/make_unsigned/requirements/typedefs-1.cc: Correct
    test for make_unsigned<volatile wchar_t>.
    * testsuite/20_util/make_unsigned/requirements/typedefs-2.cc:
    Likewise.
    * testsuite/20_util/declval/requirements/1_neg.cc: Adjust dg-error
    line number.
    * testsuite/20_util/make_signed/requirements/typedefs_neg.cc:
    Likewise.
    * testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc:
    Likewise.

    Backport from mainline
    PR libstdc++/61269
    * include/std/type_traits: Move include outside namespace std.
    * testsuite/20_util/declval/requirements/1_neg.cc: Adjust dg-error.
    * testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Likewise.
    * testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc:
    Likewise.

Added:
   
branches/gcc-4_9-branch/libstdc++-v3/testsuite/20_util/make_signed/requirements/typedefs-4.cc
      - copied, changed from r211602,
branches/gcc-4_9-branch/libstdc++-v3/testsuite/20_util/declval/requirements/1_neg.cc
Modified:
    branches/gcc-4_9-branch/libstdc++-v3/ChangeLog
    branches/gcc-4_9-branch/libstdc++-v3/include/std/type_traits
   
branches/gcc-4_9-branch/libstdc++-v3/testsuite/20_util/declval/requirements/1_neg.cc
   
branches/gcc-4_9-branch/libstdc++-v3/testsuite/20_util/make_signed/requirements/typedefs_neg.cc
   
branches/gcc-4_9-branch/libstdc++-v3/testsuite/20_util/make_unsigned/requirements/typedefs-1.cc
   
branches/gcc-4_9-branch/libstdc++-v3/testsuite/20_util/make_unsigned/requirements/typedefs-2.cc
   
branches/gcc-4_9-branch/libstdc++-v3/testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc