Duncan P. N. Exon Smith b7668d5164 ADT: Guarantee transferNodesFromList is only called on transfers ...

Guarantee that ilist_traits<T>::transferNodesFromList is only called
when nodes are actually changing lists.

I also moved all the callbacks to occur *first*, before the operation.
This is the only choice for iplist<T>::merge, so we might as well be
consistent.  I expect this to have no effect in practice, although it
simplifies the logic in both iplist<T>::transfer and iplist<T>::insert.

llvm-svn: 280122

2016-08-30 18:00:45 +00:00

45 KiB

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