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[Temporal] Remove isoDateDifference() and use calendarDateUntil() instead
https://bugs.webkit.org/show_bug.cgi?id=298564

Reviewed by Yusuke Suzuki.

This affects the implementations of TemporalPlainDate::since() and
TemporalPlainDate::until(), and enables some of the previously-failing tests
for those methods.

Also adds roundRelativeDuration() and its auxiliary functions
(nudgeToCalendarUnit(), nudgeToDayOrTime(), bubbleRelativeDuration()),
as this is required by calendarDateUntil().

Also fixes a bug where an out-of-range year could be passed
in to the PlainDate constructor, resulting in integer overflow.

* JSTests/stress/temporal-plaindate.js:
(shouldBe):
* JSTests/test262/config.yaml:
* JSTests/test262/expectations.yaml:
* Source/JavaScriptCore/runtime/ISO8601.cpp:
(JSC::ISO8601::parseDate):
(JSC::ISO8601::weekOfYear):
(JSC::ISO8601::createISODateRecord):
* Source/JavaScriptCore/runtime/ISO8601.h:
* Source/JavaScriptCore/runtime/TemporalCalendar.cpp:
(JSC::TemporalCalendar::balanceISODate):
(JSC::TemporalCalendar::isoDateAdd):
(JSC::TemporalCalendar::balanceISOYearMonth):
(JSC::dateDuration):
(JSC::isoDateSurpasses):
(JSC::TemporalCalendar::calendarDateUntil):
(JSC::TemporalCalendar::isoDateDifference): Deleted.
* Source/JavaScriptCore/runtime/TemporalCalendar.h:
* Source/JavaScriptCore/runtime/TemporalCalendarPrototype.cpp:
(JSC::JSC_DEFINE_HOST_FUNCTION):
* Source/JavaScriptCore/runtime/TemporalDuration.cpp:
(JSC::adjustDateDurationRecord):
(JSC::combineISODateAndTimeRecord):
(JSC::getUTCEpochNanoseconds):
(JSC::getEpochNanosecondsFor):
(JSC::nudgeToCalendarUnit):
(JSC::nudgeToDayOrTime):
(JSC::unitIndexInTable):
(JSC::unitInTable):
(JSC::bubbleRelativeDuration):
(JSC::TemporalDuration::roundRelativeDuration):
* Source/JavaScriptCore/runtime/TemporalDuration.h:
* Source/JavaScriptCore/runtime/TemporalObject.h:
* Source/JavaScriptCore/runtime/TemporalPlainDate.cpp:
(JSC::TemporalPlainDate::toPlainDate):
(JSC::getUTCEpochNanoseconds):
(JSC::TemporalPlainDate::differenceTemporalPlainDate):
(JSC::TemporalPlainDate::until):
(JSC::TemporalPlainDate::since):
* Source/JavaScriptCore/runtime/TemporalPlainDate.h:

Canonical link: https://commits.webkit.org/301096@main

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