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Thanks again @Nigmatul! |
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My attention was brought to this issue by Ilya Gorbatenko (Горбатенко Илья). Thanks Ilya!
An oversight which was made during development was the fact that construction of values should be done using the correct allocator during copy-assign, move-assign, and swap operations. This PR will fix that.
For example, during a move, if we have unequal allocators, and
propagate_on_container_move_assignmentistrue, and if we need to construct elements in the inline buffer, then we need to make sure we construct those elements with the incoming allocator, rather than the existing one. This is a bit less trivial than it would seem because of the need to account for sound exception handling.These changes still need a bit of cleanup, but should be correct, as verified by the improved rigor of the unit tests.