https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83982
--- Comment #8 from Jonathan Wakely <redi at gcc dot gnu.org> --- Author: redi Date: Wed Jul 4 11:44:51 2018 New Revision: 262387 URL: https://gcc.gnu.org/viewcvs?rev=262387&root=gcc&view=rev Log: 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. Backport from mainline 2018-06-14 Daniel Trebbien <dtrebb...@gmail.com> Jonathan Wakely <jwak...@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. Added: branches/gcc-8-branch/libstdc++-v3/testsuite/23_containers/vector/capacity/resize/strong_guarantee.cc Modified: branches/gcc-8-branch/libstdc++-v3/ChangeLog branches/gcc-8-branch/libstdc++-v3/include/bits/vector.tcc
