Landing: 31b8c15fd760

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Project / Subsystem

gcc / tree-optimization

Date

2026-08-31

Author

Andrew MacLeod

Commit

31b8c15fd7608fe5bad8b105e9b5112ed18166dd

Source

github

Perf win

Breaking

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All attributes

project: gcc
subsystem: tree-optimization
patch_id: —
commit_hash: 31b8c15fd7608fe5bad8b105e9b5112ed18166dd
source_type: github
headline: Path ranger in tree-optimization disallowed from current_range_query.
tldr: Path ranger in GCC's tree-optimization is prevented from using current_range_query to avoid incorrect range calculations.
author: Andrew MacLeod
outcome: committed
performance_win: false
breaking_change: false
series_id: —
series_parts: []
tags: • optimization
• tree-optimization
• bugfix
discussion_id_link: —
bugzilla_pr: —
url: https://github.com/gcc-mirror/gcc/commit/31b8c15fd7608fe5bad8b105e9b5112ed18166dd
date: 2026-08-31T00:00:00.000Z

A generic mechanism to set the current range query has been introduced, and the path ranger is now disallowed from using it. This prevents the path ranger from providing incorrect ranges for requests not dominated by the path it is analyzing, fixing a bug in range analysis.