RFR: 8304230: LShift ideal transform assertion

[Jasmine Karthikeyan]

On Mon, 20 Mar 2023 07:47:20 GMT, Tobias Hartmann <thartmann at openjdk.org> wrote:

> It might be an intermittent state during GVN, where a non-constant node is known to have a constant type that's returned by `const_shift_count` but the node was not yet replaced by an actual constant and therefore `==` returns false.

Interesting, thank you for the explanation! I will keep this in mind for the future. Thank you for the review!

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PR Comment: https://git.openjdk.org/jdk/pull/13049#issuecomment-1476626783