RFR: 8297285: Shenandoah pacing causes assertion failure during VM initialization [v3]

[Ashutosh Mehra]

> Please review the fix for the assertion failure seen during VM init due to pacing in shenandoah gc.
> The fix is to avoid pacing during VM initialization as the main thread is not yet an active java thread.
> 
> Signed-off-by: Ashutosh Mehra <asmehra at redhat.com>

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

  Fix the condition that the current thread is not an active java thread
  
  Signed-off-by: Ashutosh Mehra <asmehra at redhat.com>

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/11360/files
  - new: https://git.openjdk.org/jdk/pull/11360/files/60f174fc..17a7b3bf

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=11360&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=11360&range=01-02

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/11360.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/11360/head:pull/11360

PR: https://git.openjdk.org/jdk/pull/11360