6254
91%

Ran 21 Aug 2026 12:28AM UTC

Jobs 1

Files 447

Run time 1min

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Committed 21 Aug 2026 12:25AM UTC coverage: 90.779% (+0.02%) from 90.764%

Build # 6254

Build Type

push

github

Committed by

bobzhang

Commit Message

fix(builtin): keep empty character sets off the SIMD trim path

An empty set reached ascii_char_set_splat, which read code unit 0
beyond the set view's bounds; an empty view over a longer backing
string then broadcast the backing character as a set member and
trimmed data that should have been kept. Found by adversarial review.

Guard the SIMD scans on a non-empty set, cover the empty-set and
empty-view cases directly, and pass generated sets through offset
views in the quickcheck properties so out-of-view reads see sentinel
characters.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

Coverage Stats

16480 of 18154 relevant lines covered (90.78%)

307973.44 hits per line

Coverage Regressions

Lines	Coverage	∆	File
47	0.0	0.0%	builtin/simd.mbt
47	90.72	0.95%	builtin/string_methods.mbt

Jobs

ID	Job ID	Ran	Files	Coverage
1	6254.1	21 Aug 2026 12:28AM UTC	448	90.79	GitHub Action Run

moonbitlang / core / 6254
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