[Issue 21940] Compiler flags -check=on/off not recognized

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=21940

Dlang Bot <dlang-bot at dlang.rocks> changed:

           What    |Removed                     |Added
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             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED

--- Comment #2 from Dlang Bot <dlang-bot at dlang.rocks> ---
dlang/dmd pull request #12548 "Fix 21940 - Recognize on/off as valid options
for -check" was merged into stable:

- 7fb9accd947edf98e53093b2d37cad650e0b5828 by MoonlightSentinel:
  Fix 21940 - Recognize on/off as valid options for -check

  Check for the special values `"on"` and `"off"` before parsing
  `<option>=<state>`.

https://github.com/dlang/dmd/pull/12548

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