mirror of
https://github.com/rust-lang/rust.git
synced 2025-10-04 19:28:29 +00:00

Implement allow-by-default `multiple_supertrait_upcastable` lint The lint detects when an object-safe trait has multiple supertraits. Enabled in libcore and liballoc as they are low-level enough that many embedded programs will use them. r? `@nikomatsakis`