Building latest LDC on windows

[Temtaime]

std.bigint failing to compile:

<inline asm>:1:2: error: unknown directive
         .section        
.gnu.linkonce.t._D3std8internal4math10biguintx8634__T24multibyteIncrementAssignVa45Z24multibyteIncrementAssignFNaAkkZk,"ax"
         ^
<inline asm>:17:2: error: unknown directive
         .section        
.gnu.linkonce.t._D3std8internal4math10biguintx8634__T24multibyteIncrementAssignVa43Z24multibyteIncrementAssignFNaAkkZk,"ax"
         ^
<inline asm>:33:2: error: unknown directive
         .section        
.gnu.linkonce.t._D3std8internal4math10biguintx8625__T15multibyteMulAddVa45Z15multibyteMulAddFNaAkxAkkkZk,"ax"
         ^
<inline asm>:100:2: error: unknown directive
         .section        
.gnu.linkonce.t._D3std8internal4math10biguintx8625__T15multibyteMulAddVa43Z15multibyteMulAddFNaAkxAkkkZk,"ax"
         ^
LLVM ERROR: Error parsing inline asm