diff options
| -rw-r--r-- | src/librustc_mir/borrow_check.rs | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/librustc_mir/borrow_check.rs b/src/librustc_mir/borrow_check.rs index f4bf280cd25..18bb78ef50f 100644 --- a/src/librustc_mir/borrow_check.rs +++ b/src/librustc_mir/borrow_check.rs @@ -1178,8 +1178,10 @@ impl<'c, 'b, 'a: 'b+'c, 'gcx, 'tcx: 'a> MirBorrowckCtxt<'c, 'b, 'a, 'gcx, 'tcx> format!("{}", field_index) }, _ => { - debug!("End-user description not implemented for field of type {:?}", ty.sty); - format!("<ty>{}", field_index) + // Might need a revision when the fields in trait RFC is implemented + // (https://github.com/rust-lang/rfcs/pull/1546) + bug!("Field access unsupported for non-box types that are neither Adt (struct, \ + enum, union) nor tuples"); } } } |