git: openjdk/jdk11u-dev: 8284331: Add sanity check for signal handler modification warning.

[Goetz Lindenmaier]

Changeset: f993ef52
Author:    Sonia Zaldana Calles <szaldana at openjdk.org>
Committer: Goetz Lindenmaier <goetz at openjdk.org>
Date:      2023-11-06 08:22:35 +0000
URL:       https://git.openjdk.org/jdk11u-dev/commit/f993ef52fbdb0982c6f7ff284feaa5a87c9a7000

8284331: Add sanity check for signal handler modification warning.

Backport-of: 116763cb5d58a7316b7bada689a0fa34a7250ee7

! test/jdk/sun/tools/jcmd/TestJcmdSanity.java