On 20 March 2018 at 21:06, Jonathan Wakely wrote: > On 20 March 2018 at 21:02, François Dumont wrote: >> On 20/03/2018 19:20, Jonathan Wakely wrote: >>> >>> On 17 March 2018 at 09:01, Jonathan Wakely wrote: >>>> >>>> Native configuration is x86_64-pc-linux-gnu >>>> >>>> === libstdc++ tests === >>>> >>>> >>>> Running target unix/-std=gnu++11/-D_GLIBCXX_ASSERTIONS >>>> >>>> === libstdc++ Summary for >>>> unix/-std=gnu++11/-D_GLIBCXX_ASSERTIONS === >>>> >>>> # of expected passes 12330 >>>> # of expected failures 71 >>>> # of unsupported tests 579 >>>> >>>> Running target unix/-std=gnu++11/-D_GLIBCXX_DEBUG >>>> XPASS: 21_strings/basic_string_view/element_access/char/2.cc execution >>>> test >>>> XPASS: 21_strings/basic_string_view/element_access/wchar_t/2.cc execution >>>> test >>>> FAIL: 23_containers/bitset/hash/1.cc (test for excess errors) >>>> UNRESOLVED: 23_containers/bitset/hash/1.cc compilation failed to produce >>>> executable >>> >>> These debug mode failures are regressions, reported as >>> https://gcc.gnu.org/PR84998 >>> >>> I think they all have the same root cause (Nathan fixed a bug in G++). >>> >> I had already prepared this patch. Thanks for explaining why we have this >> problem now. > > Ah I was just about to commit my own fix. > >> Note that I chose to use full specialization with std::hash<> for >> std::bitset and std::vector<bool>. > > Great, that's an improvement over my patch. > >> It also fix a versioned namespace issue when partially specializing >> std::hash for debug vector<bool>. > > Even better. > >> Tested under Linux x86_64 normal, debug and versioned namespace modes. >> >> Ok to commit ? > > Yes please! > > Please be sure to add "PR libstdc++/84998" to the changelog entry so > it updates bugzilla. > > Thanks very much.
This adds a test for the hash specializations in debug mode, and fixes another failure caused by different line numbers in debug mode. Committed to trunk.
commit 347afbec5010ed9edeff70ce18d5e2511a7c27f4 Author: Jonathan Wakely <jwak...@redhat.com> Date: Sun Mar 18 00:01:07 2018 +0000 Fix some libstdc++ testsuite failures * testsuite/20_util/function_objects/comparisons_pointer.cc: Use VERIFY instead of assert. * testsuite/20_util/hash/84998.cc: New test. * testsuite/23_containers/vector/cons/destructible_debug_neg.cc: New copy of test adjusted for Debug Mode. * testsuite/23_containers/vector/cons/destructible_neg.cc: Do not run test in Debug Mode. diff --git a/libstdc++-v3/testsuite/20_util/function_objects/comparisons_pointer.cc b/libstdc++-v3/testsuite/20_util/function_objects/comparisons_pointer.cc index aad0bc3dd2e..474190cdf81 100644 --- a/libstdc++-v3/testsuite/20_util/function_objects/comparisons_pointer.cc +++ b/libstdc++-v3/testsuite/20_util/function_objects/comparisons_pointer.cc @@ -174,7 +174,7 @@ test05() int n = 0; while (ss >> n) sum += n; - assert( sum == 1 ); + VERIFY( sum == 1 ); #if __cplusplus >= 201402L static_assert( lt(y, y+1), "constexpr less<const X*>" ); diff --git a/libstdc++-v3/testsuite/20_util/hash/84998.cc b/libstdc++-v3/testsuite/20_util/hash/84998.cc new file mode 100644 index 00000000000..72bd203cb04 --- /dev/null +++ b/libstdc++-v3/testsuite/20_util/hash/84998.cc @@ -0,0 +1,40 @@ +// Copyright (C) 2018 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the +// terms of the GNU General Public License as published by the +// Free Software Foundation; either version 3, or (at your option) +// any later version. + +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. + +// You should have received a copy of the GNU General Public License along +// with this library; see the file COPYING3. If not see +// <http://www.gnu.org/licenses/>. + +// { dg-options "-D_GLIBCXX_DEBUG" } +// { dg-do compile { target c++11 } } + +// PR libstdc++/84998 + +#include <bitset> +#include <vector> + +std::size_t +test01() +{ + std::bitset<1> b; + std::hash<std::bitset<1>> h; + return h(b); +} + +std::size_t +test02() +{ + std::vector<bool> b; + std::hash<std::vector<bool>> h; + return h(b); +} diff --git a/libstdc++-v3/testsuite/23_containers/vector/cons/destructible_debug_neg.cc b/libstdc++-v3/testsuite/23_containers/vector/cons/destructible_debug_neg.cc new file mode 100644 index 00000000000..5127f5105f4 --- /dev/null +++ b/libstdc++-v3/testsuite/23_containers/vector/cons/destructible_debug_neg.cc @@ -0,0 +1,48 @@ +// Copyright (C) 2017-2018 Free Software Foundation, Inc. +// +// This file is part of the GNU ISO C++ Library. This library is free +// software; you can redistribute it and/or modify it under the +// terms of the GNU General Public License as published by the +// Free Software Foundation; either version 3, or (at your option) +// any later version. + +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. + +// You should have received a copy of the GNU General Public License along +// with this library; see the file COPYING3. If not see +// <http://www.gnu.org/licenses/>. + +// { dg-options "-D_GLIBCXX_DEBUG" } +// { dg-do compile { target c++11 } } + +#include <vector> + +// PR libstdc++/80553 + +struct DeletedDtor { + ~DeletedDtor() = delete; +}; + +class PrivateDtor { + ~PrivateDtor() { } +}; + +void +test01() +{ + std::vector<DeletedDtor> v; +} + +void +test02() +{ + std::vector<PrivateDtor> v; +} + +// { dg-error "value type is destructible" "" { target *-*-* } 0 } + +// In Debug Mode the "required from here" errors come from <debug/vector> +// { dg-error "required from here" "" { target *-*-* } 155 } diff --git a/libstdc++-v3/testsuite/23_containers/vector/cons/destructible_neg.cc b/libstdc++-v3/testsuite/23_containers/vector/cons/destructible_neg.cc index fc5e3192c87..06fd0730106 100644 --- a/libstdc++-v3/testsuite/23_containers/vector/cons/destructible_neg.cc +++ b/libstdc++-v3/testsuite/23_containers/vector/cons/destructible_neg.cc @@ -16,6 +16,7 @@ // <http://www.gnu.org/licenses/>. // { dg-do compile { target c++11 } } +// { dg-require-normal-mode "" } #include <vector>