On Thu, 1 Dec 2022 19:09:48 GMT, Johannes Bechberger <duke at openjdk.org> wrote: >> With the first or the second point? > > To his second point: You have to check the return address location, not just `fp()`. I stand correct, it also helps. I'll change the PR. ------------- PR: https://git.openjdk.org/jdk/pull/11461