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[Dmitri Makarov via Digitalmars-d-learn]

Fine. Then I expect it not to break the linking when the function 
is not called. Now it does, albeit only when -cov is used.

On Friday, 10 April 2015 at 10:01:00 UTC, Daniel Kozák wrote:
> It will when you try to use this function
> test.d(18): Error: test.generate called with argument types (S) 
> matches
> both: test.d(7):     test.generate(S t)
> and:
> test.d(12):     test.generate(S t)
>
>
>
> On Fri, 10 Apr 2015 09:54:31 +0000
> Dmitri Makarov via Digitalmars-d-learn
> <digitalmars-d-learn at puremagic.com> wrote:
>
>> Should the compiler issue an error for this code?
>> 
>> struct S
>> {
>> }
>> 
>> string generate(S t)
>> {
>>    return "";
>> }
>> 
>> string generate(S t)
>> {
>>    return "huh?";
>> }
>> 
>> It compiles and breaks with multiple definition of 
>> '_D1b8generateFS1b1SZAya' at link time. dmd v2.067