Jonathan Wakely bb54e0b879 libstdc++: Add __cpp_lib_unwrap_ref feature test macro ... We already defined the traits in <type_traits> as now required by LWG 3348, but the macro was missing. This adds it. * include/std/type_traits (__cpp_lib_unwrap_ref): Define (LWG 3348). * include/std/version (__cpp_lib_unwrap_ref): Likewise. * testsuite/20_util/unwrap_reference/1.cc: Check macro. * testsuite/20_util/unwrap_reference/3.cc: New test.		2020-02-19 15:28:54 +00:00
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1.cc
2.cc
3.cc