Step -> ControlFlow (use ?)

fix-vm/src/instructions/with_scope.rs

@@ -22,7 +22,7 @@ impl<'gc> crate::Vm<'gc> {
             },
         );
         self.with_env = Some(scope);
-        Step::Continue
+        Step::Continue(())
     }
 
     #[inline(always)]
@@ -31,7 +31,7 @@ impl<'gc> crate::Vm<'gc> {
             unreachable!("no with_scope to pop");
         };
         self.with_env = scope.prev;
-        Step::Continue
+        Step::Continue(())
     }
 
     #[inline(always)]
@@ -43,7 +43,7 @@ impl<'gc> crate::Vm<'gc> {
             env: self.env,
             with_env: self.with_env,
         });
-        Step::Continue
+        Step::Continue(())
     }
 
     #[inline(always)]
@@ -66,9 +66,7 @@ impl<'gc> crate::Vm<'gc> {
             )));
         };
         self.push(env);
-        if let Some(step) = self.try_force(0, reader, mc) {
-            return step;
-        }
+        self.try_force(0, reader, mc)?;
 
         let env = match self.pop_forced_expect_gc::<AttrSet>() {
             Ok(val) => val,
@@ -77,7 +75,7 @@ impl<'gc> crate::Vm<'gc> {
         let Some(val) = env.lookup(name) else {
             reader.set_pc(reader.inst_start_pc());
             self.with_env = prev;
-            return Step::Continue;
+            return Step::Continue(());
         };
 
         self.push(val);
@@ -85,6 +83,6 @@ impl<'gc> crate::Vm<'gc> {
             unreachable!()
         };
         self.with_env = with_env;
-        Step::Continue
+        Step::Continue(())
     }
 }