Landing: 91b6b3371109

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Project / Subsystem

gcc / cobol

Date

2026-09-18

Author

Xavier Del Campo Romero

Commit

91b6b3371109346ac54e95f895b479d0b1657a75

Source

github

Perf win

Breaking

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All attributes

project: gcc
subsystem: cobol
patch_id: —
commit_hash: 91b6b3371109346ac54e95f895b479d0b1657a75
source_type: github
headline: Cobol defers file status check errors to mmap
tldr: Cobol file opening now defers fstat errors to mmap, preventing premature failures.
author: Xavier Del Campo Romero
outcome: committed
performance_win: false
breaking_change: false
series_id: —
series_parts: []
tags: • cobol
• error handling
• file I/O
discussion_id_link: —
bugzilla_pr: —
url: https://github.com/gcc-mirror/gcc/commit/91b6b3371109346ac54e95f895b479d0b1657a75
date: 2026-09-18T00:00:00.000Z

The Cobol compiler now defers error checking for fstat(2) and directory detection during file opening to the subsequent mmap(2) call. This change improves robustness by preventing premature failures on transient file status issues.