Rust (Stable) 1.98.0
Language Allow shortening lifetime of &mut when unsize-coercing, even in an invariant position. For example, you can now coerce a Cell to a Cell. Such shortenings were already previously allowed when coercing a &mut to a &, or coercing a & to a &. Add deny-by-default invalid_runtime_symbol_definitions lint and warn-by-default suspicious_runtime_symbol_definitions lint The lints currently specifically targets core runtime symbols like memcmp, memset, strlen, ... and is planned to be expanded in t…github.com
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