Fixes #
#40622

1. Test const str = new Intl.NumberFormat('en-NZ', { style: 'currency', currency: 'NZD', currencySign: 'accounting' }).format(999999); in local file
   run gulp and node ./built/local/tsc.js --watch test.ts
   ----- no errors

2. pass all tests when run: gulp runtests-parallel
   [13:25:26] Using gulpfile ~/Project/GHC/TypeScript/gulpfile.js
   [13:25:26] Starting 'runtests-parallel'...
   [13:25:26] Starting 'generateLibs'...
   [13:25:26] Starting 'buildScripts'...
   [13:25:26] Finished 'generateLibs' after 419 ms
   [13:25:27] Finished 'buildScripts' after 640 ms
   [13:25:27] Starting 'generateDiagnostics'...
   [13:25:27] Finished 'generateDiagnostics' after 908 μs
   [13:25:27] Starting 'buildShims'...
   [13:25:27] Starting 'buildDebugTools'...
   [13:25:27] Finished 'buildShims' after 565 ms
   [13:25:27] Finished 'buildDebugTools' after 565 ms
   [13:25:27] Starting 'buildTsc'...
   [13:25:27] Starting 'buildTests'...
   [13:25:27] Starting 'buildTypescriptServicesOut'...
   [13:25:27] Starting 'buildServerLibraryOut'...
   [13:25:28] Finished 'buildTsc' after 1.02 s
   [13:25:28] Finished 'buildTests' after 1.03 s
   [13:25:28] Finished 'buildTypescriptServicesOut' after 1.03 s
   [13:25:28] Starting 'createTypescriptServicesJs'...
   [13:25:28] Finished 'buildServerLibraryOut' after 1.03 s
   [13:25:28] Starting 'createServerLibraryJs'...
   [13:25:28] Finished 'createTypescriptServicesJs' after 137 ms
   [13:25:28] Starting 'createTypescriptServicesDts'...
   [13:25:29] Finished 'createServerLibraryJs' after 157 ms
   [13:25:29] Starting 'createServerLibraryDts'...
   [13:25:29] Finished 'createTypescriptServicesDts' after 28 ms
   [13:25:29] Starting 'createTypescriptJs'...
   [13:25:29] Finished 'createServerLibraryDts' after 20 ms
   [13:25:29] Finished 'createTypescriptJs' after 87 ms
   [13:25:29] Starting 'createTypescriptDts'...
   [13:25:29] Finished 'createTypescriptDts' after 15 ms
   [13:25:29] Starting 'createTypescriptStandaloneDts'...
   [13:25:29] Finished 'createTypescriptStandaloneDts' after 17 ms
   [13:25:29] Starting 'runTestsParallel'...
   [13:25:29] Running tests with config: {"light":true,"workerCount":4,"taskConfigsFolder":"/var/folders/nx/ss2r962117l845qbn468zlqr0000gn/T/ts-tests2","noColor":false,"timeout":40000,"keepFailed":false}
   [13:25:29] > node built/local/run.js
   Discovered 223 unittest suites.
   Discovering runner-based tests...
   Discovered 15193 test files in 3647ms.
   Starting to run tests using 4 threads...
   Batching initial test lists...
   Batched into 4 groups with approximate total time of 19m in each group. (90.0% of total tests batched)

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[Worker 1] (node:39033) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 uncaughtException listeners added. Use emitter.setMaxListeners() to increase limit

[Worker 0] (node:39032) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 uncaughtException listeners added. Use emitter.setMaxListeners() to increase limit

[Worker 3] (node:39035) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 uncaughtException listeners added. Use emitter.setMaxListeners() to increase limit

[Worker 2] (node:39034) MaxListenersExceededWarning: Possible EventEmitter memory leak detected. 11 uncaughtException listeners added. Use emitter.setMaxListeners() to increase limit
[▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬] ✓ 73116 passing (20m)

73116 passing (20m)

[13:45:12] Finished 'runTestsParallel' after 20 min
[13:45:12] Starting 'postTest'...
[13:45:12] Starting 'buildEslintRules'...
[13:45:19] Finished 'buildEslintRules' after 6.09 s
[13:45:19] Starting 'lintFoldStart'...
[13:45:19] Finished 'lintFoldStart' after 1.4 ms
[13:45:19] Starting 'lint-scripts'...
[13:45:19] Linting: node_modules/eslint/bin/eslint --cache --cache-location scripts/.eslintcache --format autolinkable-stylish --rulesdir scripts/eslint/built/rules --ext .ts scripts
[13:45:19] > /usr/local/bin/node node_modules/eslint/bin/eslint --cache --cache-location scripts/.eslintcache --format autolinkable-stylish --rulesdir scripts/eslint/built/rules --ext .ts scripts
[13:45:22] Finished 'lint-scripts' after 3.82 s
[13:45:22] Starting 'lint-compiler'...
[13:45:22] Linting: node_modules/eslint/bin/eslint --cache --cache-location src/.eslintcache --format autolinkable-stylish --rulesdir scripts/eslint/built/rules --ext .ts src
[13:45:22] > /usr/local/bin/node node_modules/eslint/bin/eslint --cache --cache-location src/.eslintcache --format autolinkable-stylish --rulesdir scripts/eslint/built/rules --ext .ts src
[13:45:35] Finished 'lint-compiler' after 13 s
[13:45:35] Starting 'lintFoldEnd'...
[13:45:35] Finished 'lintFoldEnd' after 1.03 ms
[13:45:35] Finished 'postTest' after 23 s
[13:45:35] Finished 'runtests-parallel' after 20 min