RFR 8209387: Follow ups to JDK-8195100 Use a low latency hashtable for SymbolTable

[Kim Barrett]

> On Dec 6, 2018, at 11:15 AM, Gerard Ziemski <gerard.ziemski at oracle.com> wrote:
> Issue:   https://bugs.openjdk.java.net/browse/JDK-8209387
> Webrev:  http://cr.openjdk.java.net/~gziemski/8209387_rev3
> Testing: Mach5 hs_tier1,2,3,4,5 in progress…

Looks good.