Landing: 6db8a24ca93e

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Project / Subsystem

gcc / gccrs

Date

2026-08-07

Author

Arthur Cohen

Commit

6db8a24ca93e4199f3adcaf6b5680ab0d683353c

Source

github

Perf win

Breaking

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All attributes

project: gcc
subsystem: gccrs
patch_id: —
commit_hash: 6db8a24ca93e4199f3adcaf6b5680ab0d683353c
source_type: github
headline: gccrs: lower: Use enum instead of bool for checking for valid impl Trait params
tldr: Refactors impl Trait parameter checking in gccrs's AST lowering to use an enum.
author: Arthur Cohen
outcome: committed
performance_win: false
breaking_change: false
series_id: —
series_parts: []
tags: • gccrs
• rust
• lowering
• impl trait
• compiler
discussion_id_link: —
bugzilla_pr: —
url: https://github.com/gcc-mirror/gcc/commit/6db8a24ca93e4199f3adcaf6b5680ab0d683353c
date: 2026-08-07T00:00:00.000Z

This commit refactors the implementation of impl Trait parameter checking in gccrs’s AST lowering phase. Previously, a boolean flag was used to determine the validity of impl Trait parameters in function arguments. This change replaces the boolean with a more descriptive enum class, improving code clarity and maintainability. The affected AST lowering functions have been updated to use the new enum API.