[Issue 2396] -O causes very long execution time on foreach loop of large array of structs

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=2396

--- Comment #10 from Walter Bright <bugzilla at digitalmars.com> ---
https://github.com/D-Programming-Language/druntime/pull/1275

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