Landing: 910901abe03a

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Project / Subsystem

gcc / c++/reflection

Date

2026-05-26

Author

Marek Polacek

Commit

910901abe03a31c5f234852e224be4c37d08b5d9

Source

github

Perf win

Breaking

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All attributes

project: gcc
subsystem: c++/reflection
patch_id: —
commit_hash: 910901abe03a31c5f234852e224be4c37d08b5d9
source_type: github
headline: C++ Reflection Avoids ICE When Substituting Base Class Information
tldr: The compiler now avoids internal compiler errors (ICE) when substituting base class information during C++ reflection.
author: Marek Polacek
outcome: committed
performance_win: false
breaking_change: false
series_id: —
series_parts: []
tags: • c++
• reflection
• ice
discussion_id_link: —
bugzilla_pr: —
url: https://github.com/gcc-mirror/gcc/commit/910901abe03a31c5f234852e224be4c37d08b5d9
date: 2026-05-26T00:00:00.000Z

The C++ reflection implementation previously triggered an internal compiler error when attempting to substitute base class information. This commit prevents the substitution of base class information, resolving the ICE. A new test case is added to verify the fix.