COMDAT error

[Jesse Phillips via Digitalmars-d]

On Thursday, 26 January 2017 at 11:20:34 UTC, Profile Anaysis 
wrote:
> test1.obj : fatal error LNK1179: invalid or corrupt file: 
> duplicate COMDAT 
> '_D4main4mainFAAyaZ16__T3recVii1TAAiZ3recMFNfAAiZv (@safe void 
> main.main(immutable(char)[][]).rec!(1, int[][]).rec(int[][]))'

Not sure but you may have hit this bug:

https://issues.dlang.org/show_bug.cgi?id=16687