Update to LevelDB 1.20

Pull Request #10544

State completed
Build time Total: 20 minutes
7 minutes for macOS
6 minutes for Windows
7 minutes for Linux
Platforms   
Start Date2017-06-08 07:12:31 UTC
Github#10544
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Author sipa
Pull request head hash94fe30aa
Build styleThis pull request was built on top of current master
Build Log HEAD~6936e2e4 Merge branch 'leveldb120' of https://github.com/sipa/bitcoin
e801084 Merge #10321: Use FastRandomContext for all tests
e945848 scripted-diff: Use new naming style for insecure_rand* functions
2fcd9cc scripted-diff: Use randbits/bool instead of randrange where possible
2ada678 Use randbits instead of ad-hoc emulation in prevector tests
5f0b04e Replace rand() & ((1 << N) - 1) with randbits(N)