https://gcc.gnu.org/g:889a1352a2c48320c402aa614c67fe5236ac08ad
commit r16-3323-g889a1352a2c48320c402aa614c67fe5236ac08ad Author: Jonathan Wakely <jwak...@redhat.com> Date: Wed Aug 20 16:50:12 2025 +0100 libstdc++: Suppress some more additional diagnostics [PR117294] libstdc++-v3/ChangeLog: PR c++/117294 * testsuite/20_util/optional/cons/value_neg.cc: Prune additional output for C++20 and later. * testsuite/20_util/scoped_allocator/69293_neg.cc: Match additional error for C++20 and later. Diff: --- libstdc++-v3/testsuite/20_util/optional/cons/value_neg.cc | 1 + libstdc++-v3/testsuite/20_util/scoped_allocator/69293_neg.cc | 2 ++ 2 files changed, 3 insertions(+) diff --git a/libstdc++-v3/testsuite/20_util/optional/cons/value_neg.cc b/libstdc++-v3/testsuite/20_util/optional/cons/value_neg.cc index d3abd03c01af..f6b1886efb99 100644 --- a/libstdc++-v3/testsuite/20_util/optional/cons/value_neg.cc +++ b/libstdc++-v3/testsuite/20_util/optional/cons/value_neg.cc @@ -37,3 +37,4 @@ int main() } } // { dg-prune-output "no type .*enable_if" } +// { dg-prune-output "no matching function for call to 'main..::U::U..'" } diff --git a/libstdc++-v3/testsuite/20_util/scoped_allocator/69293_neg.cc b/libstdc++-v3/testsuite/20_util/scoped_allocator/69293_neg.cc index d4be08671f5b..a3fbeba79c8a 100644 --- a/libstdc++-v3/testsuite/20_util/scoped_allocator/69293_neg.cc +++ b/libstdc++-v3/testsuite/20_util/scoped_allocator/69293_neg.cc @@ -42,6 +42,8 @@ static_assert(uses_allocator<X, inner_alloc_type>{}, ""); static_assert(!is_constructible<X, allocator_arg_t, inner_alloc_type>{}, ""); static_assert(!is_constructible<X, inner_alloc_type>{}, ""); +// { dg-error "too many initializers" "" { target c++20 } 0 } + void test01() {