| commit | 778960f7f393c010d689b964ba3c26c2cd0202bd | |
| author | redi <redi@138bc75d-0d04-0410-961f-82ee72b054a4> | |
| Thu, 14 Jun 2018 09:26:51 +0000 (14 09:26 +0000) | ||
| committer | redi <redi@138bc75d-0d04-0410-961f-82ee72b054a4> | |
| Thu, 14 Jun 2018 09:26:51 +0000 (14 09:26 +0000) | ||
| tree | a759ed4858add51262b507d4cd3eb47b79f73fad | treesnapshot (tar.gz zip) |
| parent | 02727084b4ecce0f61c2cdc7955f2cc14945a92f | commitdiff |
PR libstdc++/83982 fix exception-safety guarantee of std::vector::resize
Construct new elements before moving existing ones, so that if a default
constructor throws, the existing elements are not left in a moved-from
state.
2018-06-14 Daniel Trebbien <dtrebbien@gmail.com>
Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/83982
* include/bits/vector.tcc (vector::_M_default_append(size_type)):
Default-construct new elements before moving existing ones.
* testsuite/23_containers/vector/capacity/resize/strong_guarantee.cc:
New.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@261585 138bc75d-0d04-0410-961f-82ee72b054a4
Construct new elements before moving existing ones, so that if a default
constructor throws, the existing elements are not left in a moved-from
state.
2018-06-14 Daniel Trebbien <dtrebbien@gmail.com>
Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/83982
* include/bits/vector.tcc (vector::_M_default_append(size_type)):
Default-construct new elements before moving existing ones.
* testsuite/23_containers/vector/capacity/resize/strong_guarantee.cc:
New.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@261585 138bc75d-0d04-0410-961f-82ee72b054a4