don't hold on to popped or frames

2020-01-20 20:59:30 -07:00
parent 6be2d8ccf2
commit 40bf5bc75f
3 changed files with 6 additions and 15 deletions
--- a/src/prolog/machine/machine_state_impl.rs
+++ b/src/prolog/machine/machine_state_impl.rs
@@ -2077,12 +2077,6 @@ impl MachineState {
        self.fail = true;
    }

-    pub(super) fn truncate_stack(&mut self) {
-        if self.b > self.e {
-            self.stack.truncate_to_frame(self.b);
-        }
-    }
-
    pub(crate) fn is_cyclic_term(&self, addr: Addr) -> bool {
        let mut seen = IndexSet::new();
        let mut fail = false;