Running `basics` test fails with "Global is external, but doesn't have external or weak linkage!" and "Alias must point to a definition"

[GavinRay97]

C:\Users\rayga\Projects\Calypso\build\bin\test>"../ldc2.exe" basics.d -cpp-args /std:c++11
warning: argument unused during compilation: '/std:c++11'
warning: argument unused during compilation: '/std:c++11'
Global is external, but doesn't have external or weak linkage!
{ [2 x i8*] }* @0
Global is external, but doesn't have external or weak linkage!
{ [3 x i8*] }* @1
Alias must point to a definition
i8** @"??_7testMultipleInherit@test@@6BanotherClass@1@@"
Alias must point to a definition
i8** @"??_7testMultipleInherit@test@@6BtestInherit@1@@"
LLVM ERROR: Broken module found, compilation aborted!