RFR: 8211990: DateTimeException thrown when calculating duration between certain dates

[Lance Andersen]

Looks good Naoto.

One question I had which is not relevant to your fix, but should the tests as we modify them include the JTReg tags such as @bug, @summary…. etc…  just for consistency….

Best
Lance
> On Aug 12, 2019, at 4:43 PM, naoto.sato at oracle.com wrote:
> 
> Hello,
> 
> Please review the fix to the following issue:
> 
> https://bugs.openjdk.java.net/browse/JDK-8211990
> 
> The proposed changeset is located at:
> 
> https://cr.openjdk.java.net/~naoto/8211990/webrev.00/
> 
> The DateTimeException was thrown due to unconditional conversion beyond the valid range of the internal LocalDateTime value. If it happens, normalize two instants with the offset of "start" instant. The same kind of exception is observed with ZonedDateTime.until(), which is also fixed in this changeset.
> 
> Naoto

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