re PR c++/53000 (Conditional operator does not behave as standardized)

2014-10-15  Daniel Krugler  <daniel.kruegler@gmail.com>

	* testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
	Enable tests predicated on PR c++/53000.

From-SVN: r216287

libstdc++-v3/ChangeLog

+2014-10-15  Daniel Krugler  <daniel.kruegler@gmail.com>
+
+	* testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
+	Enable tests predicated on PR c++/53000.
+
 2014-10-15  François Dumont  <fdumont@gcc.gnu.org>
 	    Jonathan Wakely  <jwakely@redhat.com>
 

libstdc++-v3/testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc

@@ -21,9 +21,6 @@
 #include <type_traits>
 #include <initializer_list>
 
-//TODO: Uncomment this once gcc bug 53000 has been resolved:
-//#define HAS_53000_FIXED
-
 // Helper types:
 struct has_type_impl
 {
@@ -246,15 +243,17 @@ static_assert(is_type<std::common_type<UConv1, const Abstract*&>,
 static_assert(is_type<std::common_type<UConv1, UConv2>, Abstract*>(), "");
 static_assert(is_type<std::common_type<UConv1&, UConv2&>, Abstract*>(), "");
 
-#ifdef HAS_53000_FIXED
 static_assert(is_type<std::common_type<Abstract&&, Abstract&&>,
 	      Abstract>(), "");
 static_assert(is_type<std::common_type<const Abstract&&,
+				       const Abstract&&>, Abstract>(), "");
+static_assert(is_type<std::common_type<volatile Abstract&&,
 				       volatile Abstract&&>, Abstract>(), "");
 static_assert(is_type<std::common_type<Ukn&&, Ukn&&>, Ukn>(), "");
-static_assert(is_type<std::common_type<const Ukn&&, volatile Ukn&&>,
+static_assert(is_type<std::common_type<const Ukn&&, const Ukn&&>,
+	      Ukn>(), "");
+static_assert(is_type<std::common_type<volatile Ukn&&, volatile Ukn&&>,
 	      Ukn>(), "");
-#endif
 
 static_assert(is_type<std::common_type<X1, X2>, RX12>(), "");
 static_assert(is_type<std::common_type<X2, X1>, RX21>(), "");