diff options
Diffstat (limited to 'library/alloc/src')
| -rw-r--r-- | library/alloc/src/lib.rs | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/library/alloc/src/lib.rs b/library/alloc/src/lib.rs index b7d5c5c2437..fb1664ba7a2 100644 --- a/library/alloc/src/lib.rs +++ b/library/alloc/src/lib.rs @@ -87,6 +87,7 @@ #![warn(missing_debug_implementations)] #![warn(missing_docs)] #![allow(explicit_outlives_requirements)] +#![cfg_attr(not(bootstrap), warn(multiple_supertrait_upcastable))] // // Library features: #![feature(alloc_layout_extra)] @@ -190,6 +191,7 @@ #![feature(unsized_fn_params)] #![feature(c_unwind)] #![feature(with_negative_coherence)] +#![cfg_attr(not(bootstrap), feature(multiple_supertrait_upcastable))] // // Rustdoc features: #![feature(doc_cfg)] |