Landing: b95305d39fcf

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Project / Subsystem

gcc / cobol

Date

2026-07-06

Author

James K. Lowden

Commit

b95305d39fcf230573a6cc3f56196b8002ef170c

Source

github

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Breaking

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All attributes

project: gcc
subsystem: cobol
patch_id: —
commit_hash: b95305d39fcf230573a6cc3f56196b8002ef170c
source_type: github
headline: COBOL: Prevent crash on invalid refmod literal (PR126104)
tldr: Fixes a crash in the COBOL compiler when encountering invalid `refmod` literals.
author: James K. Lowden
outcome: committed
performance_win: false
breaking_change: false
series_id: —
series_parts: []
tags: • cobol
• compiler
• parser
• bugfix
discussion_id_link: github:gcc-mirror/gcc#126104
bugzilla_pr: —
url: https://github.com/gcc-mirror/gcc/commit/b95305d39fcf230573a6cc3f56196b8002ef170c
date: 2026-07-06T00:00:00.000Z

This commit addresses a crash in the COBOL compiler that occurred when processing invalid refmod literals. A specific check in literal_refmod_valid within parse.y has been modified to prevent dereferencing a NULL pointer, resolving the issue reported in PR126104.