RFR: 8258836: JNI local refs exceed capacity getDiagnosticCommandInfo [v5]

[Severin Gehwolf]

> This patch adds some explicit capacity for local refs. New regression test
> fails prior and passes after the patch.
> 
> Thoughts?

Severin Gehwolf has updated the pull request incrementally with two additional commits since the last revision:

 - Improve popping of local frames in the error case
 - Make HOTSPOT_DIAGNOSTIC_MXBEAN_NAME final

-------------

Changes:
  - all: https://git.openjdk.java.net/jdk/pull/2130/files
  - new: https://git.openjdk.java.net/jdk/pull/2130/files/1a7365f3..b7c81653

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=2130&range=04
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=2130&range=03-04

  Stats: 28 lines in 2 files changed: 11 ins; 0 del; 17 mod
  Patch: https://git.openjdk.java.net/jdk/pull/2130.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/2130/head:pull/2130

PR: https://git.openjdk.java.net/jdk/pull/2130