Malte UblandClaude Opus 5.5 9eaa210e1f Narrow filtered union elements into a record with an arm's fields ...

A written type predicate whose target is no arm of the element union
but the same fields as one, with a nested union field narrowed
(Model<"a"> from the Model<Api> arm), was refused. The kept elements of
that arm now convert field by field, the nested union by its tag; any
other kept element still throws the predicate TypeError.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

2026-10-28 19:55:50 -07:00

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corpus

Narrow filtered union elements into a record with an arm's fields

2026-10-28 19:55:50 -07:00

corpus-node-islands-order

Treat the zlib ordering program as a timer race

2026-10-28 01:47:01 -05:00

coverage-fixtures

Expect exact canonical mappings in the dynamic-slot coverage tests

2026-10-27 07:42:33 -07:00

deadstrip

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diagnostics

Compile .length of computed tuple expressions

2026-10-28 14:57:21 -05:00

ffi

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fixtures

Keep the held head across a cork() and uncork() with no write

2026-10-28 18:23:49 -05:00

harness

Narrow filtered union elements into a record with an arm's fields

2026-10-28 19:55:50 -07:00

library-mode

Add object literal members through the store caches in untyped code

2026-10-25 08:24:12 -05:00

node-parallel

Undo the main merge on a stacked branch

2026-10-25 05:03:57 -05:00

test262

Undo the main merge on a stacked branch

2026-10-25 05:03:57 -05:00

wasm-spec

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