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LibJS: Fix off-by-one in balance_iso_date() for leap year inputs

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This is a normative change in the Temporal spec.

See: 5ab1822
This commit is contained in:
Linus Groh 2021-12-18 17:13:11 +00:00
parent 7270bbb255
commit 70e6eae27b
1 changed files with 2 additions and 2 deletions
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4
Userland/Libraries/LibJS/Runtime/Temporal/PlainDate.cpp
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@ -440,8 +440,8 @@ ISODate balance_iso_date(double year_, double month_, double day)
// 9. NOTE: To deal with numbers of days greater than the number of days in a year, the following section adds years and subtracts days until the number of days is less than 366 or 365.
// 10. Let testYear be year + 1.
test_year = year + 1;
// 10. Let testYear be testYear + 1.
test_year += 1;
// 11. Repeat, while day > ! ISODaysInYear(testYear),
while (day > iso_days_in_year(test_year)) {