Deduplicate diagnostics for const trait supertraits#151351

rust-bors[bot] merged 1 commit intorust-lang:mainrust-lang/rust:mainfrom

chenyukang:yukang-fix-150052-deduplicate-const-trait-supertraitschenyukang/rust:yukang-fix-150052-deduplicate-const-trait-supertraitsCopy head branch name to clipboard