RFR: 8369527: NMT: print malloc-site when a malloc'd memory detected as corrupted [v2]

[Afshin Zafari]

> On NMT detail mode, the allocation-sites of malloc'd memory regions are also stored. Using this information, the call-stack of a corrupted memory can also be printed as the error message.

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

  return nullptr when index is invalid

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Changes:
  - all: https://git.openjdk.org/jdk/pull/27764/files
  - new: https://git.openjdk.org/jdk/pull/27764/files/5152a166..67481139

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=27764&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=27764&range=00-01

  Stats: 3 lines in 1 file changed: 2 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/27764.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/27764/head:pull/27764

PR: https://git.openjdk.org/jdk/pull/27764