Fix

Author: chipshort

packages/vm/src/imports.rs

@@ -825,9 +825,9 @@ pub fn do_debug<A: BackendApi + 'static, S: Storage + 'static, Q: Querier + 'sta
     let (data, mut store) = env.data_and_store_mut();
 
     charge_host_call_gas(data, &mut store)?;
+    let message_data = read_region(data, &mut store, message_ptr, MAX_LENGTH_DEBUG)?;
 
     if let Some(debug_handler) = data.debug_handler() {
-        let message_data = read_region(data, &mut store, message_ptr, MAX_LENGTH_DEBUG)?;
         let msg = String::from_utf8_lossy(&message_data);
         let gas_remaining = data.get_gas_left(&mut store);
         debug_handler.borrow_mut()(

packages/vm/src/instance.rs

@@ -914,7 +914,7 @@ mod tests {
 
         let report2 = instance.create_gas_report();
         assert_eq!(report2.used_externally, 251);
-        assert_eq!(report2.used_internally, 23938680);
+        assert_eq!(report2.used_internally, 24140405);
         assert_eq!(report2.limit, LIMIT);
         assert_eq!(
             report2.remaining,
@@ -1106,7 +1106,7 @@ mod tests {
             .unwrap();
 
         let init_used = orig_gas - instance.get_gas_left();
-        assert_eq!(init_used, 23938931);
+        assert_eq!(init_used, 24140656);
     }
 
     #[test]