[Issue 20368] dmd 2.089.0 Error: expression `main` is `void` and has no value

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=20368

--- Comment #1 from Andrea Fontana <trikkuz at gmail.com> ---
Digger:

digger: 36ccf092ed154a15700c2d082795bcc1ea1b8f99 is the first bad commit
commit 36ccf092ed154a15700c2d082795bcc1ea1b8f99
Author: The Dlang Bot <code+dlang-bot at dawg.eu>
Date:   Mon Aug 26 12:33:40 2019 +0200

    dmd: Merge pull request #10351 from JinShil/entry

    https://github.com/dlang/dmd/pull/10351

    Move hard-coded logic to generate C main out of the compiler and into
druntime
    merged-on-behalf-of: Nicholas Wilson
<thewilsonator at users.noreply.github.com>

diff --git a/dmd b/dmd
index 0de452558..a01aa5587 160000

--