message: Disable value debuginfo
  This prevents an expensive Cranelift pass from running to reconstruct the debuginfo
diff: @@ -354,19 +354,19 @@ pub(crate) fn to_cvalue(self, fx: &mut FunctionCx<'_, '_, 'tcx>) -> CValue<'tcx>
  match self.inner {
  CPlaceInner::Var(_local, var) => {
  let val = fx.bcx.use_var(var);
  - fx.bcx.set_val_label(val, cranelift_codegen::ir::ValueLabel::new(var.index()));
  + //fx.bcx.set_val_label(val, cranelift_codegen::ir::ValueLabel::new(var.index()));
  CValue::by_val(val, layout)
  }
  CPlaceInner::VarPair(_local, var1, var2) => {
  let val1 = fx.bcx.use_var(var1);
  - fx.bcx.set_val_label(val1, cranelift_codegen::ir::ValueLabel::new(var1.index()));
  + //fx.bcx.set_val_label(val1, cranelift_codegen::ir::ValueLabel::new(var1.index()));
  let val2 = fx.bcx.use_var(var2);
  - fx.bcx.set_val_label(val2, cranelift_codegen::ir::ValueLabel::new(var2.index()));
  + //fx.bcx.set_val_label(val2, cranelift_codegen::ir::ValueLabel::new(var2.index()));
  CValue::by_val_pair(val1, val2, layout)
  }
  CPlaceInner::VarLane(_local, var, lane) => {
  let val = fx.bcx.use_var(var);
  - fx.bcx.set_val_label(val, cranelift_codegen::ir::ValueLabel::new(var.index()));
  + //fx.bcx.set_val_label(val, cranelift_codegen::ir::ValueLabel::new(var.index()));
  let val = fx.bcx.ins().extractlane(val, lane);
  CValue::by_val(val, layout)
  }
  @@ -456,7 +456,7 @@ fn transmute_value<'tcx>(
  }
  _ => unreachable!("write_cvalue_transmute: {:?} -> {:?}", src_ty, dst_ty),
  };
  - fx.bcx.set_val_label(data, cranelift_codegen::ir::ValueLabel::new(var.index()));
  + //fx.bcx.set_val_label(data, cranelift_codegen::ir::ValueLabel::new(var.index()));
  fx.bcx.def_var(var, data);
  }
  @@ -502,13 +502,13 @@ fn transmute_value<'tcx>(
  // First get the old vector
  let vector = fx.bcx.use_var(var);
  - fx.bcx.set_val_label(vector, cranelift_codegen::ir::ValueLabel::new(var.index()));
  + //fx.bcx.set_val_label(vector, cranelift_codegen::ir::ValueLabel::new(var.index()));
  // Next insert the written lane into the vector
  let vector = fx.bcx.ins().insertlane(vector, data, lane);
  // Finally write the new vector
  - fx.bcx.set_val_label(vector, cranelift_codegen::ir::ValueLabel::new(var.index()));
  + //fx.bcx.set_val_label(vector, cranelift_codegen::ir::ValueLabel::new(var.index()));
  fx.bcx.def_var(var, vector);
  return;
  