[Bug libstdc++/78389] list::merge and list::sort are not exception safe

[ville at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78389

--- Comment #3 from ville at gcc dot gnu.org ---
Author: ville
Date: Sun Jan 15 16:11:46 2017
New Revision: 244474

URL: https://gcc.gnu.org/viewcvs?rev=244474&root=gcc&view=rev
Log:
Backport from mainline
2017-01-13  Ville Voutilainen  <ville.voutilai...@gmail.com>

PR libstdc++/78389
* include/bits/list.tcc (merge(list&&)):
Adjust list sizes if the comparator throws.
(merge(list&&, _StrictWeakOrdering)): Likewise.
* testsuite/23_containers/list/operations/78389.cc: New.

Added:
   
branches/gcc-6-branch/libstdc++-v3/testsuite/23_containers/list/operations/78389.cc
Modified:
    branches/gcc-6-branch/libstdc++-v3/ChangeLog
    branches/gcc-6-branch/libstdc++-v3/include/bits/list.tcc