set_local_value does not make values safe (#1812)

src/fixtures.rs

@@ -357,9 +357,6 @@ impl UnsafeVarMarker {
                     *query_instr = Instruction::SetValue(RegType::Temp(*t));
                 } else {
                     *query_instr = Instruction::SetLocalValue(r);
-
-                    self.safe_perm_vars.insert(p);
-                    self.unsafe_perm_vars.remove(&p);
                 }
             _ => {}
         }

src/heap_print.rs

@@ -848,7 +848,6 @@ impl<'a, Outputter: HCValueOutputter> HCPrinter<'a, Outputter> {
                 self.iter.heap,
                 heap_bound_deref(self.iter.heap, cell),
             );
-
             let cell = unmark_cell_bits!(cell);
 
             match self.var_names.get(&cell).cloned() {