RFR: 8257718: LogCompilation: late_inline doesnt work right for JDK 8 logs

[Eric Caspole]

As I mentioned in the JBS, this change handles the case where late_inline does not contain inline_id.

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Commit messages:
 - 8257718: LogCompilation: late_inline doesnt work right for JDK 8 logs

Changes: https://git.openjdk.java.net/jdk/pull/1641/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=1641&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8257718
  Stats: 2 lines in 1 file changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.java.net/jdk/pull/1641.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/1641/head:pull/1641

PR: https://git.openjdk.java.net/jdk/pull/1641