RFR: 8347758: modules.cpp leaks string returned from get_numbered_property_as_sorted_string() [v4]

[Zhengyu Gu]

> Modules::get_numbered_property_as_sorted_string() returns strings created from os::strdup(), callers should free them after uses.

Zhengyu Gu has updated the pull request incrementally with one additional commit since the last revision:

  Assertion in wrong place

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Changes:
  - all: https://git.openjdk.org/jdk/pull/23121/files
  - new: https://git.openjdk.org/jdk/pull/23121/files/d553afa5..01ffa015

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=23121&range=03
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=23121&range=02-03

  Stats: 3 lines in 1 file changed: 1 ins; 2 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/23121.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/23121/head:pull/23121

PR: https://git.openjdk.org/jdk/pull/23121