Ian Lance Taylor ea250f5612 libgo: update to Go 1.8.1 release ...

Reviewed-on: https://go-review.googlesource.com/40775

From-SVN: r246957

2017-04-17 22:10:58 +00:00

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libgo: update to Go 1.8.1 release

2017-04-17 22:10:58 +00:00