Landing: 88ff00bf0830

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Project / Subsystem

gcc / gccrs

Date

2026-07-17

Author

Enes Cevik

Commit

88ff00bf08303bb4e0346b35984f59edd40081cd

Source

github

Perf win

Breaking

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All attributes

project: gcc
subsystem: gccrs
patch_id: —
commit_hash: 88ff00bf08303bb4e0346b35984f59edd40081cd
source_type: github
headline: gccrs: Implement 'unsize' lang item
tldr: The 'unsize' language item is now implemented in the GCC Rust front-end.
author: Enes Cevik
outcome: committed
performance_win: false
breaking_change: false
series_id: —
series_parts: []
tags: • gccrs
• rust
• language feature
• type system
discussion_id_link: —
bugzilla_pr: —
url: https://github.com/gcc-mirror/gcc/commit/88ff00bf08303bb4e0346b35984f59edd40081cd
date: 2026-07-17T00:00:00.000Z

This patch introduces the ‘unsize’ language item to the GCC Rust compiler. This item is crucial for handling unsized types, enabling features like array-to-slice coercions by providing a way for types to express their relationship with unsized counterparts.