Chris Tate e4dc0900d7 Fence arguments.length in function expressions that call themselves by name ...

A function expression stored in a function type with more parameters
folds `arguments.length` to that type's parameter count, the count every
call through the slot passes. A named expression that calls itself
through its own name passes only its declared parameters there, so no
constant answers both calls. Such a read now reports SC1090 with the
reason, and expressions that do not refer to their own name keep the
fold.

2026-10-22 10:09:08 -05:00

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cjs-esm-lexer-require-reached

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cjs-member-alias-writes

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cjs-module-mutation

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cjs-require-cycle

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cjs-require-esm-type-link

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cjs-require-tdz

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cjs-require-tdz-unchecked

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cycle-class-early

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cycle-default-export

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cycle-namespace-import

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cycle-var-early

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deferred-class-binding

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deferred-class-receiver

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dynamic-import

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esm-syntax-commonjs

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fresh-spread-exported

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import-defer

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import-defer-type

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import-forms

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invalid-package-config

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json-module-comment

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json-modules

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json-shape

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jsx-factory-mismatch

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jsx-preserve

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jsx-type-errors

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npm-program-type-error

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ns-import-object

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pkg-import-fences

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retired-engine-import-refusal

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spi-off

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top-level-await-commonjs

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top-level-await-module-leak

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accessors.ts

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aggregate-error-fences.ts

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any.ts

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arguments-length-self-call.ts

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arrow-bind.ts

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assert-class-fences.ts

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assert-fences.ts

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async-iterator-handles.ts

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bigint-fences.ts

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blocked-binding-cascade.ts

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boot-path-node-surface-fences.ts

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builtin-base-class-value-arguments.ts

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builtin-class-alias-escape.ts

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builtin-constructor-members.ts

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catch-bindings.ts

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checked-js-constructor-arguments.js

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checker-panic-infinity.ts

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child-process.ts

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class-decorators.ts

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class-field-accessor-descriptor.ts

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class-interface-refinements.ts

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class-prototype-reflection.ts

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class-values.ts

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collection-iterator-helpers.ts

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collection-views.ts

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component-fences.ts

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comptime.ts

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console-fences.ts

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constructor-returns-instance-super.ts

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constructor-returns-object.ts

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contract-acyclic-positions.ts

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contract-acyclic.ts

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contract-immutable.ts

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contract-int32-array-aliases.ts

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contract-int32-arrays.ts

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contract-int32-escapes.ts

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contract-int32.ts

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contract-nothrow-handlers.ts

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contract-nothrow.ts

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contract-positions.ts

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contract-program-lifetime-positions.ts

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contract-program-lifetime.ts

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create-require.ts

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dataview.ts

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date-formatters.ts

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date-union-fences.ts

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deep-binary-nesting.ts

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deep-nesting-preflight.ts

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default-export.ts

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delete-fences.ts

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destructuring-fences.ts

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dynamic-import-static.ts

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dynamic-representable-types.ts

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dynamic-surface.ts

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ee-computed-internal.ts

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ee-computed-listeners.ts

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ee-computed-stream-internal.ts

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ee-computed-unrestricted.ts

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ee-emit-override.ts

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enums.ts

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error-cause-redeclared-fences.ts

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error-fields-cause-fences.ts

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error-header-accessor-fences.ts

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error-header-prototype-fences.ts

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es2025-fences.ts

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event-target-subclass-fences.ts

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events-once-fences.ts

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exceptions.ts

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fetch-static.ts

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filter-narrow.ts

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filter-void-predicate-dyn.ts

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filter-void-predicate-dynamic.ts

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filter-void-predicate-island.ts

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filter-void-predicate.ts

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fresh-spread-repeated.ts

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fromentries-aliased-entries.ts

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fs-url-path-fences.ts

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function-forms.ts

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function-limits.ts

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generator-method-overrides.ts

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generic-methods.ts

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generic-signature-values.ts

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generic-value-bindings.ts

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generics.ts

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http2-module.ts

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http2-response-trailers.ts

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identity-collection-keys.ts

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import-equals-require.ts

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import-meta-bare.ts

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import-meta-computed.ts

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import-meta-destructure.ts

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import-meta-rest.ts

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import-meta-write.ts

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imports.ts

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index-signature-values.ts

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inferred-callback-drops-conditional.ts

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inferred-callback-drops-satisfies.ts

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inferred-callback-drops.ts

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inheritance.ts

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intern-table-fences.ts

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intersection-values.ts

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intl-segmenter.ts

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intl.ts

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iterator-slot-fences.ts

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jsdoc-import-require.js

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json-class-fields.ts

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json-dyn.ts

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local-class-boundaries.ts

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local-class-type-query-brand.ts

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local-class-type-query-js.js

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local-class-type-query.ts

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local-require-binding-esm.js

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maps-surface.ts

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maps.ts

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maybe-promise-fences.ts

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merged-namespace-collect-probe.ts

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mixed-compare.ts

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mixins.ts

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mock-fences.ts

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mock-timers-fences.ts

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module-out-of-scope.ts

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module-resolution-introspection.ts

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multiple-errors.ts

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namespaces.ts

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nested-member-blocker-path.ts

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new-target-field-initializer.ts

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no-error-assertion-fences.ts

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node-fallback-fence.ts

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nullish-class-defaults.ts

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object-assign-class-copy.ts

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object-literal-accessor-values.ts

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optional-fields.ts

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options-record.ts

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outside-world.ts

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overloaded-function-values.ts

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overloaded-members.ts

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pick-view-generic-methods.ts

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private-members.ts

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promise-all-fences.ts

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record-width.ts

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regex-constructor-flags.ts

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regex-match-destructuring-fences.ts

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regex.ts

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retained-generic-rest-order.ts

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retired-engine-760-any-arithmetic.ts

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retired-engine-968-jsval-lift.ts

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retired-engine-1123-any-conditional-spread.ts

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retired-engine-1587-any-field-unassigned.ts

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retired-engine-2083-destructuring-island-decl.ts

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retired-engine-2084-destructuring-primitive-sources.ts

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retired-engine-2086-destructuring-island-globals.ts

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retired-engine-2103-optional-tuple-elements.ts

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retired-engine-2104-computed-key-destructuring.ts

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retired-engine-2667-array-to-sorted-any.ts

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runtime-class-value-fences.ts

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runtime-optional-capture-chain.ts

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runtime-optional-refined-union.ts

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self-returning-function.ts

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sets.ts

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snapshot-fences.ts

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speculative-function-refusal.ts

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spread-fences.ts

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spread-runtime-optional.ts

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statements.ts

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static-blocks.ts

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stdlib-fence.ts

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stdlib.ts

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stream-byte-mode-chunk-fences.ts

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stream-completion-callback-error.ts

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super-comma-nested.ts

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test-option-fences.ts

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text-codec-value.ts

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text-decoder-label.ts

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thread-slots-fences.ts

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tls-sni-callback-fences.ts

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tls-socket-fences.ts

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top-level-await-implicit-module-nested-require.js

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tuples.ts

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typed-array-undeclared-members.ts

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unassigned-fields.ts

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union-clone-override-width.ts

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unions.ts

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unrelated-class-assertion.ts

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url-mutation-object-plus.ts

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url-mutation-operator.ts

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url-mutation-runtime-key.ts

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utility-types.ts

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variadic-wrapper-fences.ts

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webassembly-fences.ts

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webcrypto-refusals.ts

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zlib-class-alias-escape.ts

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