RFR: 8186958: Need method to create pre-sized HashMap [v13]

[XenoAmess]

> 8186958: Need method to create pre-sized HashMap

XenoAmess has updated the pull request incrementally with one additional commit since the last revision:

  variable nameToReferenceSize rename to moduleCount

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Changes:
  - all: https://git.openjdk.java.net/jdk/pull/7928/files
  - new: https://git.openjdk.java.net/jdk/pull/7928/files/b973ee51..bdf47f32

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=7928&range=12
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=7928&range=11-12

  Stats: 4 lines in 1 file changed: 0 ins; 0 del; 4 mod
  Patch: https://git.openjdk.java.net/jdk/pull/7928.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/7928/head:pull/7928

PR: https://git.openjdk.java.net/jdk/pull/7928