[Issue 15453] Check for a wrong predefined version identifier CRuntime_Digitalmars

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=15453

--- Comment #2 from jiki at red.email.ne.jp ---
(In reply to jiki from comment #0)
> --------------------------------------
> dmd.exe -version=CRuntime_Digitalmars
> Error: version identifier 'CRuntime_Digitalmars' is reserved and cannot be
> set
> 
> dmd.exe -version=CRuntime_DigitalMars
> (accepts-invalid)
> --------------------------------------
> 
> Checker: CRuntime_Digitalmars ( small 'm' ).
> Correct: CRuntime_DigitalMars
> 

And more:
--------------------------------------
dmd -deps hello.d

depsVersion core.stdc.stdio (*/druntime/import/core/stdc/stdio.d) :
CRuntime_DigitalMars
# This line appears multiple times, which should be suppressed.
--------------------------------------

I tested in Windows 7.

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