[Issue 20391] [REG 2.089] DMD compile times increased by 40% because ENABLE_RELEASE=0 in build

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=20391

--- Comment #6 from GoaLitiuM <goalitium at dissues.mail.kapsi.fi> ---
DMD 2.089.1 came out today and is still significantly slower than my own
builds.

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