scriptc

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Chris Tate 77c0636826 Include star re-exports in namespace objects, and read causes and instanceof Error like Node under a runtime Error parent

- A module namespace converted to an untyped object, and a computed
  namespace read, use the module's resolved exports, which include the
  members of `export *` declarations.
- `super(message, options)` through a runtime Error parent installs the
  cause as Error does: an inherited `cause` counts, the value is read
  through its getter, and the getter's exception propagates.
- `value instanceof Error` on an instance of a class whose heritage is
  evaluated at run time tests that class's prototype chain for
  Error.prototype. A program with such a class checks prototype chains
  for `instanceof Error` on untyped values.
- The cache of names written on the global object is a Lowerer field
  instead of a WeakMap keyed by the Lowerer.
- errors.test.ts: `"prototype" in Map` answers from the builtin
  constructor's keys now, so it leaves the refused reads and joins a
  check of `in` probes against Node's answers.

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corpus

Include star re-exports in namespace objects, and read causes and instanceof Error like Node under a runtime Error parent

2026-10-22 22:00:01 -05:00

coverage-fixtures

Keep the unreached JavaScript coverage fixture failing to compile

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deadstrip

…

diagnostics

Compile Iterable<T> values (#1875 )

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