RFR: 8282477: [x86, aarch64] vmassert(_last_Java_pc == NULL, "already walkable"); fails with async profiler

[David Holmes]

On Tue, 12 Apr 2022 16:38:11 GMT, Johannes Bechberger <duke at openjdk.java.net> wrote:

> Fix the assertion by replacing it by assertion that does not fail.

I remain concerned that AsyncGetCallTrace should not be mutating thread state in this way as it could break numerous things in numerous ways. Instead perhaps AGCT should be saving the current values of key thread state and then restoring them after?

-------------

PR: https://git.openjdk.java.net/jdk/pull/8209