Also 8302799: Refactor Debugging variable usage for noreturn crash reporting
------------- Commit messages: - new implementation of Debugging - noreturn attributes Changes: https://git.openjdk.org/jdk/pull/12845/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=12845&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8302189 Stats: 168 lines in 8 files changed: 128 ins; 19 del; 21 mod Patch: https://git.openjdk.org/jdk/pull/12845.diff Fetch: git fetch https://git.openjdk.org/jdk pull/12845/head:pull/12845 PR: https://git.openjdk.org/jdk/pull/12845