tooling quality and some random rant

[Walter Bright]

Denis Koroskin wrote:
>> It's not impossible, but is a tremendous amount of work in order to 
>> improve one error message, and one error message that generations of C 
>> and C++ programmers are comfortable dealing with.
> 
> What's wrong with parsing low-level linker error messages and output 
> them in human-readable form? E.g. demangle missing symbols.

Yes, that can be done. The downside is since dmd does not control what linker 
the user has, it becomes a constant source of problems trying to keep it working 
as it constantly breaks with linker changes and an arbitrarily long list of 
linkers on various distributions.