RFR: 8276177: nsk/jvmti/RedefineClasses/StressRedefineWithoutBytecodeCorruption failed with "assert(def_ik->is_being_redefined()) failed: should be being redefined to get here"

[Serguei Spitsyn]

On Tue, 16 Nov 2021 13:29:08 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:

> The boolean AND was sharing a flag with another thread, so the value of _misc_is_being_redefined was being set and reset with the other thread.  Moved the bit to AccessFlags which has space and an atomic set operation.
> Tested with tier1-6, 7-8 in progress.

Hi Coleen,
Great discovery!
The fix looks good.
Thanks,
Serguei

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Marked as reviewed by sspitsyn (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/6410