- Added support for T op= &T on numeric types (breaks some inference cases).
- Enabled const/static Drop types and increased default debug codegen units to 16 for faster builds.
- Cargo now builds multi‑file examples, supports vendoring git repos, and updates Cargo.lock format.
Rust 1.22.0
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Language: allow shortening lifetimes of &mut during unsize coercions and introduce new lints for invalid runtime symbols and c void return types.