[jdk17u-dev] RFR: 8325567: jspawnhelper without args fails with segfault [v3]

[Elif Aslan]

> Clean backport to address the segmentation fault issue that occurs when jspawnhelper is called without arguments

Elif Aslan has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains three additional commits since the last revision:

 - Merge branch 'master' into JDK-8325567
 - Merge branch 'openjdk:master' into JDK-8325567
 - Backport 262747094670b00ac63463a059074afa9b81d8a4

-------------

Changes:
  - all: https://git.openjdk.org/jdk17u-dev/pull/2339/files
  - new: https://git.openjdk.org/jdk17u-dev/pull/2339/files/3e34b357..beaac6f7

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=2339&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=2339&range=01-02

  Stats: 9645 lines in 245 files changed: 4194 ins; 3640 del; 1811 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/2339.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/2339/head:pull/2339

PR: https://git.openjdk.org/jdk17u-dev/pull/2339