test(types): probe that a record field is checked against its type - #195
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A record field declared non-negative accepted -7, and a kernel proof resting on the field type reported a false statement as proved under --strict. The fix (e9d7daa) reached the binary with the 0.7.23 seed. The probe plan flang/proof/probes/non-negative-field/run.fscript runs fifteen probes with the answers of the fixed type checker: check refuses with FLANG_TYPE naming the field and the record, run does not compute, and --proof --strict on the false proof no longer says proved. On 0.7.22 it fails 9 of 15; on 0.7.23 it passes 15 of 15. Task 8281 is closed with the before and after outputs. Task: 8281 Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01PNHrA3rG7FTWhB11E7pjDQ
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Verified on the tree of dev plus this branch (5e29184): the checker test set passes, the provability verdict is green with all four checks, the proved-share ledger and the rule tables agree with the tree, pre-push is green, commit messages follow the convention.
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