+2009-11-12 Paolo Carlini <paolo.carlini@oracle.com>
+
+ * include/std/type_traits (declval): Add, per DR 1255.
+ (__is_convertible_helper, common_type): Use it.
+ * include/bits/move.h: Mention std::declval.
+ * testsuite/20_util/declval/requirements/1.cc: New.
+ * testsuite/20_util/declval/requirements/1_neg.cc: Likewise.
+ * testsuite/20_util/common_type/requirements/typedefs-2.cc: Likewise.
+ * testsuite/20_util/common_type/requirements/
+ explicit_instantiation.cc: Extend.
+ * testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Adjust
+ dg-error line numbers.
+ * testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc:
+ Likewise.
+
2009-11-12 Paolo Carlini <paolo.carlini@oracle.com>
* include/bits/stl_algobase.h: Include the full <utility>, per