RFR: 8271055: Crash during deoptimization with "assert(bb->is_reachable()) failed: getting result from unreachable basicblock" with -XX:+VerifyStack

[Vladimir Ivanov]

On Thu, 3 Feb 2022 04:11:38 GMT, Dean Long <dlong at openjdk.org> wrote:

> Reproduced the problem with a new JASM test rather than relying on idiosyncrasies of javac.
> The fix is to not look at the next instruction (which might be the beginning of an unreachable block) if the current instruction doesn't fall through (like "goto"!).

Looks good.

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Marked as reviewed by vlivanov (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/7331