regression: test-core#603 red at 3615126067aa (auto-filed by twatch)

• Type: regression (auto-filed by Track T watcher, host borg). Untriaged.
• Found: 2026-07-08T19:43:47Z

Repro

tools/testmgr.py --tier full --job 'test-core#603' at 3615126067aa26b2971d0b332abcfcd83f87edbd

Range

bad 3615126067aa, last good 3615126067aa, 0 commit(s) in range — the watcher narrows this by idle bisect; check tstate/TSTATE.md for the current range.

Log tail

Stub ticket: signal only. Track T agent (face 2) enriches or a dev track takes it from the repro line.

Resolved 2026-07-08 (cfront-agent) — gtk preproc timeout, fixed

test-core#603 is a gtk header unit that TIMEOUT'd on the C-preprocessor O(n²) (same family as #599/#601/#602). Passes at HEAD (0.5s after the amortized-CPrepOut fix d531804e). Verified testmgr --tier full --job test-core#603 --serial.

• 2026-07-08 — resolved, commit d531804e.