Adding 256 units of IsoFields.QUARTER_YEARS broken

FULL PRODUCT VERSION :


A DESCRIPTION OF THE PROBLEM :
Adding more than 255 units of QUARTER_YEARS to a temporal instance is faulty. E.g. adding 256 QUARTER_YEARS is adding 1 year instead of 64 years.

See http://hg.openjdk.java.net/jdk9/jdk9/jdk/file/65464a307408/src/java.base/share/classes/java/time/temporal/IsoFields.java#l709


STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
LocalDate d = LocalDate.of(1900, 1, 1);
System.out.println(d.plus(255, IsoFields.QUARTER_YEARS));
System.out.println(d.plus(256, IsoFields.QUARTER_YEARS));


EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
1963-10-01
1964-01-01
ACTUAL -
1963-10-01
1901-01-01


REPRODUCIBILITY :
This bug can be reproduced always.