Landing: 23b9ac257cf5
Project / Subsystem
gcc / libstdc++
Date
2026-05-26
Author
Jonathan Wakely
Commit
23b9ac257cf508bc4fa479c82fcfc768c4abcd79
Source
github
Perf win
No
Breaking
No
All attributes
- project
- gcc
- subsystem
- libstdc++
- patch_id
- —
- commit_hash
- 23b9ac257cf508bc4fa479c82fcfc768c4abcd79
- source_type
- github
- headline
- Libstdc++: Fix <optional> for freestanding [PR125450]
- tldr
- The <optional> header is modified to avoid defining range_format when building in a freestanding environment.
- author
- Jonathan Wakely
- outcome
- committed
- performance_win
- false
- breaking_change
- false
- series_id
- —
- series_parts
- []
- tags
-
- • libstdc++
- • optional
- • freestanding
- discussion_id_link
- —
- bugzilla_pr
- —
- date
- 2026-05-26T00:00:00.000Z
This commit fixes an issue in libstdc++ where the range_format functionality within the <optional> header caused problems in freestanding environments. By conditionally excluding the definition of range_format in such environments, this change ensures that <optional> can be used in environments where standard library features are limited.