- Evolving-any receivers holding checked-dynamic values take keyed writes with ToPropertyKey-exact key spelling; dyn-keyed reads gain the same key stringification
- Array destructuring over dyn sources packs via the spread walk with V8's exact non-iterable TypeError wordings
- The dyn keyed-write miss error appends the primitive's rendering, matching Node
# Conflicts:
# packages/compiler/src/frontend/lowering/lower-exprs.ts
# packages/compiler/src/ir/validate.ts
