RFR: 8334060: Implementation of Late Barrier Expansion for G1 [v20]

[Vladimir Kozlov]

On Mon, 16 Sep 2024 09:28:30 GMT, Roberto Castañeda Lozano <rcastanedalo at openjdk.org> wrote:

> Should I add a check to PhaseCFG::implicit_null_check to discard these memory accesses more explicitly?

Yes, please.

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PR Review Comment: https://git.openjdk.org/jdk/pull/19746#discussion_r1761413544