LWG4552: `compare_exchange_weak` writes a value on spurious failure, not memory contents
Open
c++26
libc++
lwg-issue
- Dominant language
- LLVM
- Stars
- 40.5k
- Forks
- 18.7k
- PR merge metrics
- PR metrics pending
Description
**Link:** https://wg21.link/LWG4552
Contributor guide
Research direction
Begin with the linked LWG4552 specification issue and determine its requested behavior for compare_exchange_weak. The issue does not identify a source file, test, or expected implementation change; completion criteria must come from the linked wording and repository investigation.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- cpp
- Domain
- compilers
- Issue type
- Bug
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Quiet
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100