RFR: 8259349: -XX:AvgMonitorsPerThreadEstimate=1 does not work right [v3]

[Daniel D.Daugherty]

> This is a trivial fix to make the "-XX:AvgMonitorsPerThreadEstimate"
> option work correctly for values < 1024.
> 
> I've locally built and tested this fix on my MBP13. It will be included in my
> next Mach5 Tier[1-3] testing batch.

Daniel D. Daugherty has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains five additional commits since the last revision:

 - dholmes CR - change AvgMonitorsPerThreadEstimate from 'intx' to 'int'; fix bad assert tripped by the now working AvgMonitorsPerThreadEstimate option.
 - Merge branch 'master' into JDK-8259349
 - Fix build error on windows.
 - 8259349: -XX:AvgMonitorsPerThreadEstimate=1 does not work right
 - 8259397: ThreadsSMRSupport::print_info_on() should use try_lock_without_rank_check()

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

Changes:
  - all: https://git.openjdk.java.net/jdk/pull/1992/files
  - new: https://git.openjdk.java.net/jdk/pull/1992/files/5b57bd9c..e68a5e5b

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=1992&range=02
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=1992&range=01-02

  Stats: 4240 lines in 110 files changed: 1668 ins; 2377 del; 195 mod
  Patch: https://git.openjdk.java.net/jdk/pull/1992.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/1992/head:pull/1992

PR: https://git.openjdk.java.net/jdk/pull/1992