Landing: bbcc9da1f026

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Project / Subsystem

gcc / libstdc++

Date

2026-05-13

Author

Tomasz Kamiński

Commit

bbcc9da1f026b202c692e0b47eeacd28e0c69c0d

Source

github

Perf win

Breaking

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All attributes

project: gcc
subsystem: libstdc++
patch_id: —
commit_hash: bbcc9da1f026b202c692e0b47eeacd28e0c69c0d
source_type: github
headline: Use type_identity_t for operator<=> parameter [PR114400]
tldr: This commit updates the `operator<=>` parameter type in `std::string_view` to use `type_identity_t`.
author: Tomasz Kamiński
outcome: committed
performance_win: false
breaking_change: false
series_id: —
series_parts: []
tags: • libstdc++
• string_view
• cpp20
discussion_id_link: —
bugzilla_pr: —
url: https://github.com/gcc-mirror/gcc/commit/bbcc9da1f026b202c692e0b47eeacd28e0c69c0d
date: 2026-05-13T00:00:00.000Z

This commit modifies the parameter type of the operator<=> in std::string_view to use type_identity_t instead of __type_identity_t. This change aligns with a similar update to operator== and fully addresses LWG3950, which concerns the specification of std::basic_string_view comparison operators.