Using megabyte, another error..

LLVM ERROR: Cannot select: 0x64a10b0: ch,glue = callseq_end 0x64a1ad8, TargetConstant:i64<0>, TargetConstant:i64<0>, 0x64a1ad8:1
  0x64b10a0: i64 = TargetConstant<0>
  0x64b10a0: i64 = TargetConstant<0>
  0x64a1ad8: ch,glue = X86ISD::CALL 0x64b1a60, TargetGlobalAddress:i64<%BigGiga ()* @"*BigGiga::new:BigGiga"> 0 [TF=6], Register:i64 %RDI, RegisterMask:Untyped, 0x64b1a60:1
    0x64b1378: i64 = TargetGlobalAddress<%BigGiga ()* @"*BigGiga::new:BigGiga"> 0 [TF=6]
    0x64b3468: i64 = Register %RDI
    0x64a1528: Untyped = RegisterMask
    0x64b1a60: ch,glue = CopyToReg 0x64a1b40, Register:i64 %RDI, FrameIndex:i64<7>
      0x64b3468: i64 = Register %RDI
      0x64a0f10: i64 = FrameIndex<7>
In function: __crystal_main

######## Infinite loop here... need to Ctrl-C :/  ^C