Tested powerpc64le-linux (old ABI) and x86_64-linux (new ABI), pushed to trunk.
Fix some tests that assume that a moved-from string is empty, or that default constructing a string doesn't allocate. libstdc++-v3/ChangeLog: * testsuite/21_strings/basic_string/cons/char/moveable.cc: Allow moved-from string to be non-empty. * testsuite/21_strings/basic_string/cons/char/moveable2.cc: Likewise. * testsuite/21_strings/basic_string/cons/char/moveable2_c++17.cc: Likewise. * testsuite/21_strings/basic_string/cons/wchar_t/moveable.cc: Likewise. * testsuite/21_strings/basic_string/cons/wchar_t/moveable2.cc: Likewise. * testsuite/21_strings/basic_string/cons/wchar_t/moveable2_c++17.cc: Likewise. * testsuite/21_strings/basic_string/modifiers/assign/char/87749.cc: Construct empty string before setting oom flag. * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/87749.cc: Likewise. --- .../testsuite/21_strings/basic_string/cons/char/moveable.cc | 4 +++- .../testsuite/21_strings/basic_string/cons/char/moveable2.cc | 4 +++- .../21_strings/basic_string/cons/char/moveable2_c++17.cc | 4 +++- .../21_strings/basic_string/cons/wchar_t/moveable.cc | 4 +++- .../21_strings/basic_string/cons/wchar_t/moveable2.cc | 4 +++- .../21_strings/basic_string/cons/wchar_t/moveable2_c++17.cc | 4 +++- .../21_strings/basic_string/modifiers/assign/char/87749.cc | 2 +- .../21_strings/basic_string/modifiers/assign/wchar_t/87749.cc | 2 +- 8 files changed, 20 insertions(+), 8 deletions(-) diff --git a/libstdc++-v3/testsuite/21_strings/basic_string/cons/char/moveable.cc b/libstdc++-v3/testsuite/21_strings/basic_string/cons/char/moveable.cc index 5de2a5f9330..3ba39ec432d 100644 --- a/libstdc++-v3/testsuite/21_strings/basic_string/cons/char/moveable.cc +++ b/libstdc++-v3/testsuite/21_strings/basic_string/cons/char/moveable.cc @@ -35,7 +35,9 @@ void test01() std::string c(std::move(b)); VERIFY( c.size() == 1 && c[0] == '1' ); - VERIFY( b.size() == 0 ); +#if ! _GLIBCXX_FULLY_DYNAMIC_STRING + VERIFY( b.size() == 0 ); // not guaranteed by the standard +#endif } int main() diff --git a/libstdc++-v3/testsuite/21_strings/basic_string/cons/char/moveable2.cc b/libstdc++-v3/testsuite/21_strings/basic_string/cons/char/moveable2.cc index fe91c5ab539..5804ccb6bf8 100644 --- a/libstdc++-v3/testsuite/21_strings/basic_string/cons/char/moveable2.cc +++ b/libstdc++-v3/testsuite/21_strings/basic_string/cons/char/moveable2.cc @@ -44,7 +44,9 @@ void test01() tstring c(std::move(b)); VERIFY( c.size() == 1 && c[0] == '1' ); - VERIFY( b.size() == 0 ); +#if ! _GLIBCXX_FULLY_DYNAMIC_STRING + VERIFY( b.size() == 0 ); // not guaranteed by the standard +#endif } int main() diff --git a/libstdc++-v3/testsuite/21_strings/basic_string/cons/char/moveable2_c++17.cc b/libstdc++-v3/testsuite/21_strings/basic_string/cons/char/moveable2_c++17.cc index 1caedcccfce..59d1d775134 100644 --- a/libstdc++-v3/testsuite/21_strings/basic_string/cons/char/moveable2_c++17.cc +++ b/libstdc++-v3/testsuite/21_strings/basic_string/cons/char/moveable2_c++17.cc @@ -42,7 +42,9 @@ void test01() tstring c(std::move(b)); VERIFY( c.size() == 1 && c[0] == '1' ); - VERIFY( b.size() == 0 ); +#if ! _GLIBCXX_FULLY_DYNAMIC_STRING + VERIFY( b.size() == 0 ); // not guaranteed by the standard +#endif } int main() diff --git a/libstdc++-v3/testsuite/21_strings/basic_string/cons/wchar_t/moveable.cc b/libstdc++-v3/testsuite/21_strings/basic_string/cons/wchar_t/moveable.cc index d05afb7d466..67e25de2916 100644 --- a/libstdc++-v3/testsuite/21_strings/basic_string/cons/wchar_t/moveable.cc +++ b/libstdc++-v3/testsuite/21_strings/basic_string/cons/wchar_t/moveable.cc @@ -35,7 +35,9 @@ void test01() std::wstring c(std::move(b)); VERIFY( c.size() == 1 && c[0] == L'1' ); - VERIFY( b.size() == 0 ); +#if ! _GLIBCXX_FULLY_DYNAMIC_STRING + VERIFY( b.size() == 0 ); // not guaranteed by the standard +#endif } int main() diff --git a/libstdc++-v3/testsuite/21_strings/basic_string/cons/wchar_t/moveable2.cc b/libstdc++-v3/testsuite/21_strings/basic_string/cons/wchar_t/moveable2.cc index e301984612d..c72eb9bfddb 100644 --- a/libstdc++-v3/testsuite/21_strings/basic_string/cons/wchar_t/moveable2.cc +++ b/libstdc++-v3/testsuite/21_strings/basic_string/cons/wchar_t/moveable2.cc @@ -44,7 +44,9 @@ void test01() twstring c(std::move(b)); VERIFY( c.size() == 1 && c[0] == L'1' ); - VERIFY( b.size() == 0 ); +#if ! _GLIBCXX_FULLY_DYNAMIC_STRING + VERIFY( b.size() == 0 ); // not guaranteed by the standard +#endif } int main() diff --git a/libstdc++-v3/testsuite/21_strings/basic_string/cons/wchar_t/moveable2_c++17.cc b/libstdc++-v3/testsuite/21_strings/basic_string/cons/wchar_t/moveable2_c++17.cc index d3e4744ff34..6a2bc2714b5 100644 --- a/libstdc++-v3/testsuite/21_strings/basic_string/cons/wchar_t/moveable2_c++17.cc +++ b/libstdc++-v3/testsuite/21_strings/basic_string/cons/wchar_t/moveable2_c++17.cc @@ -42,7 +42,9 @@ void test01() tstring c(std::move(b)); VERIFY( c.size() == 1 && c[0] == L'1' ); - VERIFY( b.size() == 0 ); +#if ! _GLIBCXX_FULLY_DYNAMIC_STRING + VERIFY( b.size() == 0 ); // not guaranteed by the standard +#endif } int main() diff --git a/libstdc++-v3/testsuite/21_strings/basic_string/modifiers/assign/char/87749.cc b/libstdc++-v3/testsuite/21_strings/basic_string/modifiers/assign/char/87749.cc index 87d8c2f4068..6a3ed55f557 100644 --- a/libstdc++-v3/testsuite/21_strings/basic_string/modifiers/assign/char/87749.cc +++ b/libstdc++-v3/testsuite/21_strings/basic_string/modifiers/assign/char/87749.cc @@ -71,8 +71,8 @@ int main() string s = "PR libstdc++/87749 a string that is longer than a short string"; const auto ptr = s.c_str(); - oom = true; string ss; + oom = true; ss = std::move(s); // allocators are equal, should not allocate new storage VERIFY( ss.c_str() == ptr ); } diff --git a/libstdc++-v3/testsuite/21_strings/basic_string/modifiers/assign/wchar_t/87749.cc b/libstdc++-v3/testsuite/21_strings/basic_string/modifiers/assign/wchar_t/87749.cc index 4d744f8a411..536ca6153d3 100644 --- a/libstdc++-v3/testsuite/21_strings/basic_string/modifiers/assign/wchar_t/87749.cc +++ b/libstdc++-v3/testsuite/21_strings/basic_string/modifiers/assign/wchar_t/87749.cc @@ -72,8 +72,8 @@ int main() string s = L"PR libstdc++/87749 a string that is longer than a short string"; const auto ptr = s.c_str(); - oom = true; string ss; + oom = true; ss = std::move(s); // allocators are equal, should not allocate new storage VERIFY( ss.c_str() == ptr ); } -- 2.31.1