diff options
| author | Jonathan Wakely <jwakely@redhat.com> | 2017-01-27 16:17:04 +0000 |
|---|---|---|
| committer | Jonathan Wakely <jwakely@redhat.com> | 2017-01-27 16:17:04 +0000 |
| commit | 8cca8f1d3b2d19b6e63b9c94d2d2743302d0d656 (patch) | |
| tree | cf112fca8fe937bfad8a4ba585c171cccc678a55 /libstdc++-v3/config | |
| parent | 5043670fe78d49aa3d924dd1e3774f4ed3f9e0f1 (diff) | |
PR libstdc++/79254 fix exception-safety in std::string::operator=
PR libstdc++/79254
* config/abi/pre/gnu.ver: Add new symbols.
* include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
(basic_string::_M_copy_assign): New overloaded functions to perform
copy assignment.
(basic_string::operator=(const basic_string&)): Dispatch to
_M_copy_assign.
* include/bits/basic_string.tcc [_GLIBCXX_USE_CXX11_ABI]
(basic_string::_M_copy_assign(const basic_string&, true_type)):
Define, performing rollback on exception.
* testsuite/21_strings/basic_string/allocator/char/copy_assign.cc:
Test exception-safety guarantee.
* testsuite/21_strings/basic_string/allocator/wchar_t/copy_assign.cc:
Likewise.
* testsuite/util/testsuite_allocator.h (uneq_allocator::swap): Make
std::swap visible.
git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@244986 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libstdc++-v3/config')
| -rw-r--r-- | libstdc++-v3/config/abi/pre/gnu.ver | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/libstdc++-v3/config/abi/pre/gnu.ver b/libstdc++-v3/config/abi/pre/gnu.ver index 3e6e70b6cff..1bea4b4d7fe 100644 --- a/libstdc++-v3/config/abi/pre/gnu.ver +++ b/libstdc++-v3/config/abi/pre/gnu.ver @@ -1700,7 +1700,9 @@ GLIBCXX_3.4.21 { _ZNSt7__cxx1112basic_stringI[cw]St11char_traitsI[cw]ESaI[cw]EE1[01]**; _ZNSt7__cxx1112basic_stringI[cw]St11char_traitsI[cw]ESaI[cw]EE12_Alloc_hiderC[12]EP[cw]RKS3_; _ZNSt7__cxx1112basic_stringI[cw]St11char_traitsI[cw]ESaI[cw]EE12_M*; - _ZNSt7__cxx1112basic_stringI[cw]St11char_traitsI[cw]ESaI[cw]EE1[3-9]*; + _ZNSt7__cxx1112basic_stringI[cw]St11char_traitsI[cw]ESaI[cw]EE13*; + _ZNSt7__cxx1112basic_stringI[cw]St11char_traitsI[cw]ESaI[cw]EE14_M_replace_aux*; + _ZNSt7__cxx1112basic_stringI[cw]St11char_traitsI[cw]ESaI[cw]EE1[5-9]*; _ZNSt7__cxx1112basic_stringI[cw]St11char_traitsI[cw]ESaI[cw]EE[2-9]*; _ZNSt7__cxx1112basic_stringI[cw]St11char_traitsI[cw]ESaI[cw]EEC[12]EOS4_*; _ZNSt7__cxx1112basic_stringI[cw]St11char_traitsI[cw]ESaI[cw]EEC[12]EPK*; @@ -1953,6 +1955,9 @@ GLIBCXX_3.4.23 { _ZNSsC[12]ERKSs[jmy]RKSaIcE; _ZNSbIwSt11char_traitsIwESaIwEEC[12]ERKS2_mRKS1_; + # basic_string<C, T, A>::_M_copy_assign(const basic_string&, {true,false}_type) + _ZNSt7__cxx1112basic_stringI[cw]St11char_traitsI[cw]ESaI[cw]EE14_M_copy_assign*; + #ifndef HAVE_EXCEPTION_PTR_SINCE_GCC46 # std::future symbols are exported in the first version to support # std::exception_ptr |