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| author | Daniel Trebbien <dtrebbien@gmail.com> | 2018-06-14 09:26:51 +0000 |
|---|---|---|
| committer | Jonathan Wakely <redi@gcc.gnu.org> | 2018-06-14 10:26:51 +0100 |
| commit | 4c1d999a7e937da0d417e8153f54b646603bb210 (patch) | |
| tree | a759ed4858add51262b507d4cd3eb47b79f73fad /gcc/tree-ssa-structalias.c | |
| parent | c7a42ade9befecb8fca501b5e2021c09496f3554 (diff) | |
| download | gcc-4c1d999a7e937da0d417e8153f54b646603bb210.zip gcc-4c1d999a7e937da0d417e8153f54b646603bb210.tar.gz gcc-4c1d999a7e937da0d417e8153f54b646603bb210.tar.bz2 | |
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.
Co-Authored-By: Jonathan Wakely <jwakely@redhat.com>
From-SVN: r261585
Diffstat (limited to 'gcc/tree-ssa-structalias.c')
0 files changed, 0 insertions, 0 deletions