RFR: 8306278: jvmtiAgentList.cpp:253 assert(offset >= 0) failed: invariant occurs on AIX after JDK-8257967

[Markus Grönlund]

Greetings,

For most platforms, os::dll_address_to_library_name() only sets offset = -1 in case of errors. If there is an error, the function returns false. This is fine.

On AIX, the offset, being optional, is invariantly set to -1, even in the case of non-errors.

Easiest to remove the assertion for a positive offset.

Thanks
Markus

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Commit messages:
 - remove assertion on positive offset

Changes: https://git.openjdk.org/jdk/pull/13513/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=13513&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8306278
  Stats: 1 line in 1 file changed: 0 ins; 1 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/13513.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/13513/head:pull/13513

PR: https://git.openjdk.org/jdk/pull/13513