diff options
| -rw-r--r-- | compiler/rustc_ast_lowering/src/lib.rs | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/compiler/rustc_ast_lowering/src/lib.rs b/compiler/rustc_ast_lowering/src/lib.rs index 1bd2988576a..b3aa605283f 100644 --- a/compiler/rustc_ast_lowering/src/lib.rs +++ b/compiler/rustc_ast_lowering/src/lib.rs @@ -479,6 +479,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> { let item = f(self); debug_assert_eq!(def_id, item.def_id()); + // `f` should have consumed all the elements in these vectors when constructing `item`. debug_assert!(self.impl_trait_defs.is_empty()); debug_assert!(self.impl_trait_bounds.is_empty()); let info = self.make_owner_info(item); |