tree b967913a58efc314eddd34f6c42f4114f0bee2d0
parent dd548b0b50a1648e5684970fe9cd4de6a93be67f
author Eric Fellheimer <felly@google.com> 1466792593 +0000
committer Dmitry Lomov <dslomov@google.com> 1467027559 +0000

Fix some GC churn issues when dealing with Labels:
- reduce use of #substring(), which must copy the sub-region of the string
- specialize hashCode() implementation so that we don't need to push objects into an array.

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MOS_MIGRATED_REVID=125798978