Landing: 725f4e741e13

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Project / Subsystem

gcc / gccrs

Date

2026-07-25

Author

Lishin

Commit

725f4e741e13be79bc1c6684346ec16f522d8a76

Source

github

Perf win

Breaking

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All attributes

project: gcc
subsystem: gccrs
patch_id: —
commit_hash: 725f4e741e13be79bc1c6684346ec16f522d8a76
source_type: github
headline: gccrs: Fix BIR IndexVec construction
tldr: Corrected an out-of-bounds access in GCC's Rust BIR construction for IndexVec.
author: Lishin
outcome: committed
performance_win: false
breaking_change: false
series_id: —
series_parts: []
tags: • gccrs
• rust
• bugfix
• compiler internals
discussion_id_link: —
bugzilla_pr: —
url: https://github.com/gcc-mirror/gcc/commit/725f4e741e13be79bc1c6684346ec16f522d8a76
date: 2026-07-25T00:00:00.000Z

This commit fixes an out-of-bounds access bug in the IndexVec constructor within GCC’s Rust front-end. The constructor now correctly creates the specified number of elements, rather than just reserving space, which resolves a crash that occurred during BIR dumping.