[Issue 15029] [Reg 2.068.0] _postblitRecurse invokes opDispatch with __xpostblit (breaks emplace)

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=15029

--- Comment #1 from Martin Nowak <c...@dawg.eu> ---
(In reply to Martin Nowak from comment #0)
> but `__traits(hasMember, S, "__xpostblit")` should have instantiated 
> opDispatch
> anyhow.

`__traits(hasMember, S, "__xpostblit")` should NOT instantiate opDispatch and
return false.

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