Updated D then undefined symbols in vibed

[Jot via Digitalmars-d-learn]

On Thursday, 24 November 2016 at 17:46:38 UTC, ag0aep6g wrote:
> On 11/24/2016 06:15 PM, Jot wrote:
>> I think you are failing to realize the first axiom I 
>> presented. I only
>> updated dmd2. This shouldn't change the object and library 
>> files. They
>> should essentially compile to the same thing and it shouldn't 
>> matter.
>
> As far as I can tell, this isn't generally true. For example, 
> dmd may get fixes/changes in name mangling, making it 
> incompatible with old object files. Since you've already 
> cleaned everything, this doesn't seem to be the issue here. But 
> don't assume that a newer dmd is guaranteed to work with older 
> object files. It isn't.

And dmd2.exe does not recognize that an object file is out of 
date? Seems like a bug to me...