CmdLine::is_executable() looks wrong, surely an empty line is not executable.
With this change, in DCmd::parse_and_execute() we will avoid needlessly entering the code block to try and execute the command. DCmd tests all good: make images test TEST="test/hotspot/jtreg/serviceability/dcmd test/jdk/sun/tools/jcmd" ------------- Commit messages: - DiagnosticFramework: CmdLine::is_executable() correction Changes: https://git.openjdk.org/jdk/pull/20006/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=20006&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8335610 Stats: 2 lines in 1 file changed: 0 ins; 0 del; 2 mod Patch: https://git.openjdk.org/jdk/pull/20006.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/20006/head:pull/20006 PR: https://git.openjdk.org/jdk/pull/20006
