[Issue 23595] Error: undefined identifier with static if and module/import order

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=23595

--- Comment #1 from Iain Buclaw <ibuclaw at gdcproject.org> ---
Related test.

---
module simpleaudio;
struct AudioOutputThread
{
    alias Sample = AudioPcmOutThreadImplementation.Sample;
}

import core.types;

class AudioPcmOutThreadImplementation
{
    pthread_t id;
    struct Sample { }
}
---
module png;
struct GC
{
    import core.types;
}
---
module core.types;
static if (true)
    alias ulong c_ulong;
alias c_ulong pthread_t;

--