[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 #4 from GoaLitiuM <goalitium at dissues.mail.kapsi.fi> ---
I can't possibly know, I had no issues with building the DMD myself with these
flags, the problem lies in the officially distributed binaries which seems to
be missing them, and I have no idea how they are exactly built.

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