fix(spec): guard four prototype fall-through lookups with own-property checks - #18233

Merged

os-warren merged 4 commits into

mainfrom

claude/issue-17818-prototype-fallthrough-lookups

Sep 15, 2026

Commits on Sep 14, 2026

fix(spec): guard three prototype fall-through lookups with own-property checks
claude
committed
756df6b
wip(spec): the #17818 changeset, rescued from a worktree whose dev died
claude
committed
29f14b3
docs(changeset): correct two claims the rescued #17818 changeset could not support
claude
committed
ee022fa

Commits on Sep 15, 2026

docs(spec): name the check the null-prototype spelling actually costs
claude
committed
7d45876