ae7051590d
This fixes a test failure with -D_GLIBCXX_DEBUG: FAIL: 23_containers/array/comparison_operators/constexpr.cc (test for excess errors) * include/debug/array (operator<=>): Define for C++20. * testsuite/23_containers/array/tuple_interface/get_debug_neg.cc: Adjust dg-error line numbers. * testsuite/23_containers/array/tuple_interface/ tuple_element_debug_neg.cc: Likewise.