[Issue 23312] Crash when calling writeln in WinMain

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=23312

Richard Cattermole <alphaglosined at gmail.com> changed:

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                 CC|                            |alphaglosined at gmail.com

--- Comment #5 from Richard Cattermole <alphaglosined at gmail.com> ---
It appears on Microsoft's end that _setmode is expected to assert out if
anything isn't right.

For example:

> Unicode mode is for wide print functions (for example, wprintf) and is not supported for narrow print functions. Use of a narrow print function on a Unicode mode stream triggers an assert.

https://learn.microsoft.com/en-us/cpp/c-runtime-library/reference/setmode?view=msvc-170

Realistically though std.stdio shouldn't be used for console output and
therefore that particular bit of code shouldn't exist to assert out.

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