Now that Thread.stop has been degraded to throw `UnsupportedOperationException` (JDK-8299610) the only direct source of async exceptions is from JVMTI `StopThread`. We can remove the `JVM_StopThread` code, remove the `stillborn` field from `java.lang.Thread` and its associated accesses from the VM, and we can stop special-casing `ThreadDeath` handling (as was done for the JDK code as part of JDK-8299610).
Note that JVMTI `StopThread` can only act on a thread that is alive, so it is no longer possible to stop a thread before it has been started. Also note that there is a change in behaviour for JNI `ExceptionDescribe` as it no longer ignores `ThreadDeath` exceptions (not that it was ever specified to ignore them, it simply mirrored the behaviour of the default `UncaughtExceptionHandler` in `java.lang.ThreadGroup` - which also no longer ignores them so the mirroring behaviour remains the same). Testing: tiers 1-3 ------------- Commit messages: - Removal all special handling of ThreadDeath. - Remove all references to the stillborn field - Initial commit: remove JVM_StopThread - Merge - Updates to Java Thread Primitive Deprecation page - Repalce "it" with "victim thread" - Merge - Revert test/langtools/ProblemList.txt as jshell tests no longer rely on Thread.stop - become -> became in javadoc - Merge - ... and 5 more: https://git.openjdk.org/jdk/compare/01e7b881...58bfb313 Changes: https://git.openjdk.org/jdk/pull/10400/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=10400&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8293592 Stats: 549 lines in 43 files changed: 134 ins; 308 del; 107 mod Patch: https://git.openjdk.org/jdk/pull/10400.diff Fetch: git fetch https://git.openjdk.org/jdk pull/10400/head:pull/10400 PR: https://git.openjdk.org/jdk/pull/10400
