Strange vibe.d build error

[Seb]

On Saturday, 23 December 2017 at 10:39:37 UTC, Petar Kirov 
[ZombineDev] wrote:
> On Thursday, 21 December 2017 at 21:10:39 UTC, H. S. Teoh wrote:
>> After pulling from vibe.d git master today, my vibe.d project 
>> doesn't compile anymore. `dub build` dies with:
>>
>> 	/usr/src/d/vibe.d/stream/vibe/stream/memory.d(56,42): Error: 
>> constructor vibe.utils.array.AllocAppender!(ubyte[], 
>> ubyte).AllocAppender.this (IAllocator alloc, ubyte[] 
>> initial_buffer = null) is not callable using argument types 
>> (IAllocator)
>>
>> No idea where to even start looking, because the error message 
>> doesn't make sense. The ctor is stated to take an IAllocator 
>> as first parameter, and an optional second parameter 
>> defaulting to null. So why does calling the ctor with an 
>> instance of IAllocator fail?!
>>
>>
>> --T
>
> Most likely, it's because of this: 
> https://github.com/vibe-d/vibe.d/pull/1983
>
> If you use dmd nightly you should see a better error message, 
> courtesy of:
> https://github.com/dlang/dmd/pull/7405
> https://github.com/dlang/dmd/pull/7441
> https://github.com/dlang/dmd/pull/7448

There was also a similar PR for vibe-core:

https://github.com/vibe-d/vibe-core/pull/43

I'm pretty sure that either of them is using stdx-allocator and 
the other isn't. The merged PRs might only be tagged/released in 
alphas.