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re PR libstdc++/87872 (debug list::splice should not call _M_transfer_from_if on self-splices)

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2018-11-06  John Bytheway  <jbytheway@gmail.com>

	PR libstdc++/87872
	* include/debug/safe_sequence.tcc
	(_Safe_sequence<>::_M_transfer_from_if): Skip transfer to self.

From-SVN: r265851
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John Bytheway 2018-11-06 20:20:06 +00:00 committed by François Dumont
parent 996bea89df
commit cdc71993cf
2 changed files with 9 additions and 0 deletions
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6
libstdc++-v3/ChangeLog
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@ -1,3 +1,9 @@
2018-11-06 John Bytheway <jbytheway@gmail.com>
PR libstdc++/87872
* include/debug/safe_sequence.tcc
(_Safe_sequence<>::_M_transfer_from_if): Skip transfer to self.
2018-10-31 Joseph Myers <joseph@codesourcery.com>
PR bootstrap/82856

3
libstdc++-v3/include/debug/safe_sequence.tcc
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@ -68,6 +68,9 @@ namespace __gnu_debug
_Safe_sequence<_Sequence>::
_M_transfer_from_if(_Safe_sequence& __from, _Predicate __pred)
{
if (this == std::__addressof(__from))
return;
typedef typename _Sequence::iterator iterator;
typedef typename _Sequence::const_iterator const_iterator;