Cleanup usages of _LIBCPP_HAS_NO_<c++11-feature> in <exception>

llvm-svn: 300649
Cr-Mirrored-From: sso://chromium.googlesource.com/_direct/external/github.com/llvm/llvm-project
Cr-Mirrored-Commit: 6ded58e27962754957834752173aa6ac60f5e1e7
diff --git a/include/exception b/include/exception
index 181d604..f12ae42 100644
--- a/include/exception
+++ b/include/exception
@@ -209,11 +209,11 @@
 template <class _Tp, class _Up>
 struct __throw_with_nested<_Tp, _Up, true> {
     _LIBCPP_NORETURN static inline _LIBCPP_ALWAYS_INLINE void
-    #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+#ifndef _LIBCPP_CXX03_LANG
     __do_throw(_Tp&& __t)
-    #else
+#else
     __do_throw (_Tp& __t)
-    #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+#endif  // _LIBCPP_CXX03_LANG
     {
         throw __nested<_Up>(_VSTD::forward<_Tp>(__t));
     }
@@ -222,11 +222,11 @@
 template <class _Tp, class _Up>
 struct __throw_with_nested<_Tp, _Up, false> {
     _LIBCPP_NORETURN static inline _LIBCPP_ALWAYS_INLINE void
-    #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+#ifndef _LIBCPP_CXX03_LANG
     __do_throw(_Tp&& __t)
-    #else
+#else
     __do_throw (_Tp& __t)
-    #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+#endif  // _LIBCPP_CXX03_LANG
     {
         throw _VSTD::forward<_Tp>(__t);
     }
@@ -236,11 +236,11 @@
 template <class _Tp>
 _LIBCPP_NORETURN
 void
-#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+#ifndef _LIBCPP_CXX03_LANG
 throw_with_nested(_Tp&& __t)
 #else
 throw_with_nested (_Tp& __t)
-#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+#endif // _LIBCPP_CXX03_LANG
 {
 #ifndef _LIBCPP_NO_EXCEPTIONS
     typedef typename decay<_Tp>::type _Up;