Chris Tate 6e83d26e95 Read in-bounds string elements without boxing ...

- String element reads proven to be inside the string (counted loops, `i < text.length` guards, early exits, const length aliases) give plain strings, so one-character helpers keep plain string parameters
- Unproven, fractional, negative and out-of-range reads still give `undefined`, with new corpus programs pinning both directions

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..

fixtures

Promote canary to main (#738)

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ts7

Read in-bounds string elements without boxing

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array-batch-emission.test.ts

Improve array storage and bulk transformations

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array-own-key-emission.test.ts

Streamline semantic analysis and AST caching (#719)

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buffer-from-dynamic.test.ts

Enforce linting and consistent source formatting

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byte-loop-emission.test.ts

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byte-number-emission.test.ts

Optimize native byte record processing (#715)

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byte-window-emission.test.ts

Optimize native byte record processing (#715)

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bytes-element-emission.test.ts

Promote canary to main (#738)

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call-lifetimes.test.ts

Sync runtime and compiler updates into canary

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cc-driver.test.ts

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cjs-lexer-cases.ts

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cjs-lexer.test.ts

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class-field-updates.test.ts

Promote canary to main (#738)

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class-narrowing-emission.test.ts

Promote canary to main (#738)

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class-protocol-boundaries.test.ts

Preserve interface identity and extend native library calls

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collection-ingestion.test.ts

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collection-keys.test.ts

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constant-table-emission.test.ts

Improve array storage and bulk transformations

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counted-loop-emission.test.ts

Enforce linting and consistent source formatting

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create-require-native-addon.test.ts

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debug-variables.test.ts

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deep-equality.test.ts

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discriminated-json.test.ts

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emit-llvm.test.ts

Promote canary to main (#738)

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emitter-flex-events.test.ts

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ffi-lowering.test.ts

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fromcharcode-emission.test.ts

Promote canary to main (#738)

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generic-class-recovery.test.ts

Promote canary to main (#738)

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generic-specialization-boundaries.test.ts

Strengthen generic type and class boundaries

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in-runtime-key-emission.test.ts

Lower runtime-key in over arrays and dictionaries to presence probes

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indexed-comparison.test.ts

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inline-record-assertion.test.ts

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input-lifetime-emission.test.ts

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integer-bitwise-arithmetic.test.ts

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integer-view-emission.test.ts

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internal-compiler-error.test.ts

Make LLVM the sole production backend

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ir.test.ts

Promote canary to main (#738)

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js-override-returns.test.ts

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json-callbacks.test.ts

Enforce linting and consistent source formatting

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json-schema-parse-emission.test.ts

Parse typed JSON straight into native records

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library-computed-methods.test.ts

Enforce linting and consistent source formatting

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library-identity-emission.test.ts

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llvm-lib-dispatch.test.ts

Promote canary to main (#738)

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llvm-remainder.test.ts

Integer remainder fast path for unproven operands and inline array push

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llvm-runtime-abi.test.ts

Inline the small-object allocator into emitted constructors and releases

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math-receiver-borrow.test.ts

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mobile-runtime-pack.test.ts

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native-callable-values.test.ts

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native-callback-emission.test.ts

Promote canary to main (#738)

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native-class-array-boundaries.test.ts

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native-class-descriptors.test.ts

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native-codegen-integration.test.ts

Promote canary to main (#738)

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native-codegen-lowering.test.ts

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native-ts7-process.test.ts

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npm-fetch-analysis.test.ts

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npm-fetch-cases.ts

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numeric-array-reads.test.ts

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numeric-call-specialization.test.ts

Optimize scalar string access and numeric calls

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process-builtin-values.test.ts

Enforce linting and consistent source formatting

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scalar-record-emission.test.ts

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self-hosting-boundaries.test.ts

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set-iterator-seeds.test.ts

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source-debugging.test.ts

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source-output.test.ts

Accelerate default primitive array ordering (#721)

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split-loop-emission.test.ts

Optimize split keys and Map storage (#718)

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startup.test.ts

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static-receiver-boundaries.test.ts

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string-accumulation-emission.test.ts

Promote canary to main (#738)

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string-and-array-lifetimes.test.ts

Update lifetime tests for closure-body locals and borrowing union equality

2026-10-08 15:31:04 -05:00

structural-value-boundaries.test.ts

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style-text.test.ts

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symbol-fields.test.ts

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tuple-forof.test.ts

Enforce linting and consistent source formatting

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type-mapper-unions.test.ts

Streamline semantic analysis and AST caching (#719)

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util-runtime-linking.test.ts

Enforce linting and consistent source formatting

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wasi-paths.test.ts

Enforce linting and consistent source formatting

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worker-threads.test.ts

Keep inline allocation out of worker programs

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