RFR: 8277573: VmObjectAlloc is not generated by intrinsics methods which allocate objects

[Leonid Mesnik]

Updated VM internal object allocation C2 intrinsic to post jvmti events when needed.

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Commit messages:
 - fixed EA
 - Merge branch 'master' of https://github.com/openjdk/jdk into 8277573
 - 8277573: VmObjectAlloc is not generated by intrinsics methods which allocate objects

Changes: https://git.openjdk.org/jdk/pull/13312/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=13312&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8277573
  Stats: 78 lines in 11 files changed: 69 ins; 5 del; 4 mod
  Patch: https://git.openjdk.org/jdk/pull/13312.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/13312/head:pull/13312

PR: https://git.openjdk.org/jdk/pull/13312