Landing: 4edc3eedf0d2
Project / Subsystem
gcc / c++/reflection
Date
2026-04-17
Author
Marek Polacek
Commit
4edc3eedf0d2e91865272c1e693264ae6bbb3c6d
Source
github
Impact
4/10
Perf win
No
Breaking
No
All attributes
- project
- gcc
- subsystem
- c++/reflection
- patch_id
- —
- commit_hash
- 4edc3eedf0d2e91865272c1e693264ae6bbb3c6d
- source_type
- github
- headline
- c++/reflection: splicing null reflection
- tldr
- The compiler now detects and handles splicing of null reflections in C++ reflection.
- why_it_matters
- Improves the robustness of C++ reflection by correctly handling null reflection cases.
- author
- Marek Polacek
- impact_score
- 4
- impact_rationale
- Addresses a specific issue in C++ reflection, improving its robustness.
- outcome
- committed
- performance_win
- false
- breaking_change
- false
- series_id
- —
- series_parts
- []
- tags
-
- • C++
- • reflection
- • bugfix
- discussion_id_link
- —
- bugzilla_pr
- —
- date
- 2026-04-17T00:00:00.000Z
When splicing a null reflection, the compiler was printing a note indicating that the lang_type was not supported. This patch detects the splicing of a null reflection, which is represented by unknown_type_node, and handles it appropriately. A new test case has been added to verify the fix.