correct failure to observe last call position in queries'

2019-11-17 20:18:11 -04:00
parent 17b2510480
commit de88fdc4dc
3 changed files with 5 additions and 5 deletions
--- a/src/prolog/machine/machine_state.rs
+++ b/src/prolog/machine/machine_state.rs
@@ -854,7 +854,7 @@ pub(crate) trait CallPolicy: Any {
                        return Ok(());
                    }

-                    machine_st.p = CodePtr::CallN(arity, machine_st.p.local());
+                    machine_st.p = CodePtr::CallN(arity, machine_st.p.local(), machine_st.last_call);
                }
                ClauseType::BuiltIn(built_in) => {
                    machine_st.setup_built_in_call(built_in.clone());