[Issue 21423] frontend.h is platform dependent and has diff on Mac OSX

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=21423

alexanderheistermann at gmail.com changed:

           What    |Removed                     |Added
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           Keywords|                            |wrong-code
                 CC|                            |alexanderheistermann at gmail.
                   |                            |com
           Severity|normal                      |blocker

--- Comment #1 from alexanderheistermann at gmail.com ---
This negatively effects on windows as well. Going to make this a blocker bug,
as it makes it difficult for windows users to contribute to the dmd compiler.

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