Landing: 977fd87bade4
Project / Subsystem
gcc / gcc
Date
2026-08-07
Author
Andrew MacLeod
Commit
977fd87bade47e7624d803ba0cc549d819c03fe1
Source
github
Perf win
No
Breaking
No
All attributes
- project
- gcc
- subsystem
- gcc
- patch_id
- —
- commit_hash
- 977fd87bade47e7624d803ba0cc549d819c03fe1
- source_type
- github
- headline
- Allow range invert to fail.
- tldr
- Range inversion in GCC now returns a boolean to indicate success or failure, improving robustness.
- author
- Andrew MacLeod
- outcome
- committed
- performance_win
- false
- breaking_change
- false
- series_id
- —
- series_parts
- []
- tags
-
- • compiler
- • optimization
- • refactor
- discussion_id_link
- —
- bugzilla_pr
- —
- date
- 2026-08-07T00:00:00.000Z
The invert() function for value ranges in GCC now returns a boolean to signal whether the inversion was successful or not. This change handles cases where a range cannot be represented after inversion, preventing potential issues in subsequent optimizations and adding new test cases to verify this behavior.