[Temporal] Fix fractional second rounding in ParseTemporalDurationString

Spec text:
https://tc39.es/proposal-temporal/#sec-temporal-parsetemporaldurationstring

Bug: v8:11544
Change-Id: I2d54759c07529f95c7a27c334ee5d3fa6760b2e0
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3835292Reviewed-by: Adam Klein <adamk@chromium.org>
Commit-Queue: Frank Tang <ftang@chromium.org>
Cr-Commit-Position: refs/heads/main@{#82569}

src/objects/js-temporal-objects.cc

@@ -3808,12 +3808,11 @@ Maybe<DurationRecord> ParseTemporalDurationString(Isolate* isolate,
     // millisecondsMV be ! ToIntegerOrInfinity(fSecondsDigits) /
     // 10^fSecondsScale × 1000.
     DCHECK_LE(IfEmptyReturnZero(parsed->seconds_fraction), 1e9);
-    nanoseconds_mv =
-        static_cast<int32_t>(IfEmptyReturnZero(parsed->seconds_fraction));
+    nanoseconds_mv = std::round(IfEmptyReturnZero(parsed->seconds_fraction));
     // 15. Else,
   } else {
     // a. Let millisecondsMV be remainder(secondsMV, 1) × 1000.
-    nanoseconds_mv = (seconds_mv - std::floor(seconds_mv)) * 1000000000;
+    nanoseconds_mv = std::round((seconds_mv - std::floor(seconds_mv)) * 1e9);
   }
   milliseconds_mv = nanoseconds_mv / 1000000;
   // 16. Let microsecondsMV be remainder(millisecondsMV, 1) × 1000.

test/test262/test262.status

@@ -425,9 +425,6 @@
   'built-ins/RegExp/prototype/Symbol.replace/get-flags-err': [FAIL],
   'built-ins/RegExp/prototype/Symbol.replace/get-unicode-error': [FAIL],
 
-  # -0
-  'built-ins/Temporal/Duration/prototype/add/argument-string-negative-fractional-units': [FAIL],
-
   # PlainTime RelativeTime
   # https://github.com/tc39/proposal-temporal/pull/1862
   'built-ins/Temporal/Duration/prototype/total/timezone-getpossibleinstantsfor-iterable': [FAIL],
@@ -460,12 +457,10 @@
   'built-ins/Temporal/Calendar/prototype/weekOfYear/calendar-temporal-object': [FAIL],
   'built-ins/Temporal/Calendar/prototype/weekOfYear/cross-year': [FAIL],
   'built-ins/Temporal/Calendar/prototype/weekOfYear/infinity-throws-rangeerror': [FAIL],
-  'built-ins/Temporal/Duration/compare/argument-string-negative-fractional-units': [FAIL],
   'built-ins/Temporal/Duration/compare/relativeto-sub-minute-offset': [FAIL],
   'built-ins/Temporal/Duration/prototype/add/relativeto-sub-minute-offset': [FAIL],
   'built-ins/Temporal/Duration/prototype/round/relativeto-string-datetime': [FAIL],
   'built-ins/Temporal/Duration/prototype/round/relativeto-sub-minute-offset': [FAIL],
-  'built-ins/Temporal/Duration/prototype/subtract/argument-string-negative-fractional-units': [FAIL],
   'built-ins/Temporal/Duration/prototype/subtract/relativeto-sub-minute-offset': [FAIL],
   'built-ins/Temporal/Duration/prototype/total/balance-negative-result': [FAIL],
   'built-ins/Temporal/Duration/prototype/total/relativeto-string-plaindatetime': [FAIL],
@@ -476,14 +471,12 @@
   'built-ins/Temporal/Now/zonedDateTime/timezone-string-multiple-offsets': [FAIL],
   'built-ins/Temporal/PlainDate/prototype/toZonedDateTime/timezone-string-multiple-offsets': [FAIL],
   'built-ins/Temporal/PlainDate/prototype/weekOfYear/basic': [FAIL],
-  'built-ins/Temporal/PlainDateTime/prototype/add/argument-string-negative-fractional-units': [FAIL],
   'built-ins/Temporal/PlainDateTime/prototype/since/argument-zoneddatetime-negative-epochnanoseconds': [FAIL],
   'built-ins/Temporal/PlainDateTime/prototype/since/balance-negative-duration': [FAIL],
   'built-ins/Temporal/PlainDateTime/prototype/toZonedDateTime/timezone-string-multiple-offsets': [FAIL],
   'built-ins/Temporal/PlainDateTime/prototype/until/argument-zoneddatetime-negative-epochnanoseconds': [FAIL],
   'built-ins/Temporal/PlainDateTime/prototype/until/balance': [FAIL],
   'built-ins/Temporal/PlainDateTime/prototype/until/balance-negative-duration': [FAIL],
-  'built-ins/Temporal/PlainTime/prototype/add/argument-string-negative-fractional-units': [FAIL],
   'built-ins/Temporal/PlainTime/prototype/toZonedDateTime/timezone-string-multiple-offsets': [FAIL],
   'built-ins/Temporal/PlainYearMonth/prototype/add/calendar-arguments': [FAIL],
   'built-ins/Temporal/PlainYearMonth/prototype/add/overflow-wrong-type': [FAIL],
@@ -622,15 +615,8 @@
   'built-ins/Temporal/Calendar/prototype/weekOfYear/argument-string-time-separators': [FAIL],
   'built-ins/Temporal/Calendar/prototype/weekOfYear/argument-zoneddatetime-convert': [FAIL],
   'built-ins/Temporal/Calendar/prototype/weekOfYear/argument-zoneddatetime-slots': [FAIL],
-  'built-ins/Temporal/Duration/from/argument-string-negative-fractional-units': [FAIL],
   'built-ins/Temporal/Duration/prototype/add/relativeto-year': [FAIL],
   'built-ins/Temporal/Instant/from/argument-string': [FAIL],
-  'built-ins/Temporal/Instant/prototype/add/argument-string-negative-fractional-units': [FAIL],
-  'built-ins/Temporal/Instant/prototype/subtract/argument-string-negative-fractional-units': [FAIL],
-  'built-ins/Temporal/PlainDateTime/prototype/subtract/argument-string-negative-fractional-units': [FAIL],
-  'built-ins/Temporal/PlainTime/prototype/subtract/argument-string-negative-fractional-units': [FAIL],
-  'built-ins/Temporal/ZonedDateTime/prototype/add/argument-string-negative-fractional-units': [FAIL],
-  'built-ins/Temporal/ZonedDateTime/prototype/subtract/argument-string-negative-fractional-units': [FAIL],
   'intl402/Temporal/Calendar/prototype/dateFromFields/order-of-operations': [FAIL],
   'intl402/Temporal/Calendar/prototype/monthDayFromFields/order-of-operations': [FAIL],
   'intl402/Temporal/Calendar/prototype/yearMonthFromFields/order-of-operations': [FAIL],