[Issue 15583] [REG] topN without uniform can show quadratic performance

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=15583

--- Comment #1 from Ivan Kazmenko <gassa at mail.ru> ---
Created attachment 1575
  --> https://issues.dlang.org/attachment.cgi?id=1575&action=edit
fail_topn

Added version of the code which I used to check with Digger that the culprit is
Phobos pull #3921.

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