1. Correct the return type of RoundTowardsZero to fix issue with
double value > 2^64
2. In TemporalDurationToString:
a. Use std::fmod instead of % to get the remainder
b. Use extra xx_add variables to hold additional value which may
overflow the double during computation.
c. Use BigInt for days if the value is too large for double
to ensure the precision.
3. Add tests with Number.MAX_SAFE_INTEGER
and Number.MAX_VALUE in values for Duration toJSON in mjsunit
Bug: v8:11544
Change-Id: Icac4f669ed1c591e947b51c82dd48bdef7a6db6e
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3900813
Reviewed-by: Adam Klein <adamk@chromium.org>
Commit-Queue: Frank Tang <ftang@chromium.org>
Cr-Commit-Position: refs/heads/main@{#83344}
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