fix another bug in rows with proxy values

src/run.rs

@@ -771,6 +771,8 @@ code:
  /// Call and maintaint the stack delta if the call fails
  pub(crate) fn call_maintain_sig(&mut self, f: Function) -> UiuaResult {
  let sig = f.signature();
+ let mut args = self.stack()[self.stack().len().saturating_sub(sig.args)..].to_vec();
+ args.reverse();
  let temp_sigs = instrs_temp_signatures(f.instrs(&self.asm))
  .unwrap_or([Signature::new(0, 0); TempStack::CARDINALITY]);
  let target_height = (self.stack_height() + sig.outputs).saturating_sub(sig.args);
@@ -786,7 +788,7 @@ code:
  Ordering::Less => {
  let diff = target_height - self.stack_height();
  for _ in 0..diff {
- self.push(Value::default());
+ self.push(args.pop().unwrap_or_default());
  }
  }
  }
@@ -797,7 +799,7 @@ code:
  Ordering::Less => {
  let diff = target_height - self.temp_stack_height(temp);
  for _ in 0..diff {
- self.push_temp(temp, Value::default());
+ self.push_temp(temp, args.pop().unwrap_or_default());
  }
  }
  }