https://gcc.gnu.org/g:ea57201777f8cb58766953f87880bcf89244411b
commit r17-663-gea57201777f8cb58766953f87880bcf89244411b Author: Patrick Palka <[email protected]> Date: Thu May 21 18:35:55 2026 -0400 libstdc++: Fix recent std::flat_map test with COW std::string ... which is not constexpr, so just disable constant evaluation of the test in this case. libstdc++-v3/ChangeLog: * testsuite/23_containers/flat_map/1.cc (test_constexpr): If std::string isn't constexpr don't run test10. Reviewed-by: Jonathan Wakely <[email protected]> Diff: --- libstdc++-v3/testsuite/23_containers/flat_map/1.cc | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libstdc++-v3/testsuite/23_containers/flat_map/1.cc b/libstdc++-v3/testsuite/23_containers/flat_map/1.cc index 096b9eeac3e4..1cb088f511eb 100644 --- a/libstdc++-v3/testsuite/23_containers/flat_map/1.cc +++ b/libstdc++-v3/testsuite/23_containers/flat_map/1.cc @@ -330,7 +330,9 @@ test_constexpr() test07(); test08(); test09(); +#if __cpp_lib_constexpr_string >= 201907L test10(); +#endif return true; }
