Merge pull request #1869 from anba/test-bugs-oct2018

.../RegExp/prototype/Symbol.matchAll/isregexp-called-once.js

test/intl402/Collator/ignore-invalid-unicode-ext-values.js

...tl402/DateTimeFormat/ignore-invalid-unicode-ext-values.js

...tl402/ListFormat/constructor/constructor/locales-valid.js

test/intl402/Locale/constructor-options-numeric-undefined.js

test/intl402/Locale/constructor-options-numeric-valid.js

test/intl402/Locale/constructor-parse-twice.js

test/intl402/Locale/constructor-tag-tostring.js

test/intl402/Locale/extensions-grandfathered.js

test/intl402/Locale/extensions-private.js

test/intl402/Locale/getters-grandfathered.js

test/intl402/Locale/getters-privateuse.js

test/intl402/Locale/getters.js

test/intl402/NumberFormat/constructor-default-value.js

...intl402/NumberFormat/ignore-invalid-unicode-ext-values.js

...NumberFormat/prototype/formatToParts/default-parameter.js

...02/NumberFormat/prototype/formatToParts/value-tonumber.js

...lativeTimeFormat/constructor/constructor/locales-valid.js

...guage/module-code/dynamic-import/eval-self-once-script.js