[Issue 18768] object.getArrayHash with custom toHash shouldn't just sum hashes of array elements

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=18768

--- Comment #1 from Nathan S. <n8sh.secondary at hotmail.com> ---
Pull request: https://github.com/dlang/druntime/pull/2166

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