Landing: 822ce7e451fd

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Project / Subsystem

gcc / fortran

Date

2026-07-27

Author

Jakub Jelinek

Commit

822ce7e451fdbbeeca2df5d8ddbdf6bccc254abb

Source

github

Perf win

Breaking

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All attributes

project: gcc
subsystem: fortran
patch_id: —
commit_hash: 822ce7e451fdbbeeca2df5d8ddbdf6bccc254abb
source_type: github
headline: Fix ICE with loops using non-integral iterators [PR126303]
tldr: Fixes an internal compiler error in Fortran loops with deprecated non-integral iterators.
author: Jakub Jelinek
outcome: committed
performance_win: false
breaking_change: false
series_id: —
series_parts: []
tags: • fortran
• compiler
• bugfix
• performance
discussion_id_link: —
bugzilla_pr: —
url: https://github.com/gcc-mirror/gcc/commit/822ce7e451fdbbeeca2df5d8ddbdf6bccc254abb
date: 2026-07-27T00:00:00.000Z

A Fortran internal compiler error (ICE) caused by loops with non-integral iterators has been fixed. The issue arose from accessing iterator data structures incorrectly when they were not of an integral type, leading to garbage data or crashes. The fix ensures these loops are now punted upon.