message: Fix init and uninit intrinsics for u/i128
diff: @@ -615,6 +615,10 @@ pub fn codegen_intrinsic_call<'tcx>(
  let clif_ty = fx.clif_type(layout.ty).unwrap();
  let val = match clif_ty {
  types::I8 | types::I16 | types::I32 | types::I64 => fx.bcx.ins().iconst(clif_ty, 0),
  + types::I128 => {
  + let zero = fx.bcx.ins().iconst(types::I64, 0);
  + fx.bcx.ins().iconcat(zero, zero)
  + }
  types::F32 => {
  let zero = fx.bcx.ins().iconst(types::I32, 0);
  fx.bcx.ins().bitcast(types::F32, zero)
  @@ -647,6 +651,11 @@ pub fn codegen_intrinsic_call<'tcx>(
  let clif_ty = fx.clif_type(layout.ty).unwrap();
  let val = match clif_ty {
  types::I8 | types::I16 | types::I32 | types::I64 => fx.bcx.ins().iconst(clif_ty, 42),
  + types::I128 => {
  + let zero = fx.bcx.ins().iconst(types::I64, 0);
  + let fourty_two = fx.bcx.ins().iconst(types::I64, 42);
  + fx.bcx.ins().iconcat(fourty_two, zero)
  + }
  types::F32 => {
  let zero = fx.bcx.ins().iconst(types::I32, 0xdeadbeef);
  fx.bcx.ins().bitcast(types::F32, zero)
  