Landing: fb0c03ee7afc

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Project / Subsystem

gcc / libstdc++

Date

2026-07-13

Author

Jonathan Wakely

Commit

fb0c03ee7afca608cba0419629184b8f442085e2

Source

github

Perf win

Breaking

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All attributes

project: gcc
subsystem: libstdc++
patch_id: —
commit_hash: fb0c03ee7afca608cba0419629184b8f442085e2
source_type: github
headline: libstdc++: Fix std module to work with --disable-wchar_t
tldr: Removes unnecessary aliases and declarations from std module headers when wchar_t is disabled.
author: Jonathan Wakely
outcome: committed
performance_win: false
breaking_change: false
series_id: —
series_parts: []
tags: • libstdc++
• wchar_t
• c++23
discussion_id_link: —
bugzilla_pr: —
url: https://github.com/gcc-mirror/gcc/commit/fb0c03ee7afca608cba0419629184b8f442085e2
date: 2026-07-13T00:00:00.000Z

The C++ standard library’s std module now correctly handles configurations where wchar_t is disabled. This change removes superfluous declarations in headers like , , and that were previously included even when not applicable. This prevents potential issues and ensures the module conforms to the build configuration.