RFR: 8291466: C2: assert(false) failed: infinite loop in PhaseIterGVN::transform_old with -XX:+StressIGVN [v2]

[Pengfei Li]

On Thu, 25 Aug 2022 08:42:10 GMT, Roland Westrelin <roland at openjdk.org> wrote:

>> This Ideal function is returned in `if ((con = in(2)->find_int_con(0)) == 0)` block above if we have `con == 0`. So this line is actually unreachable.
>
> Ok. Can you reword the comment to state that explicitly?

Done in latest commit

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PR: https://git.openjdk.org/jdk/pull/9820