RFR: 8337660: C2: basic blocks with only BoxLock nodes are wrongly treated as empty

[Roberto Castañeda Lozano]

On Tue, 26 Nov 2024 08:50:05 GMT, Roberto Castañeda Lozano <rcastanedalo at openjdk.org> wrote:

> We can improve this later, based on your discussion with Dean (please, file RFE).

Reported here: [JDK-8345042](https://bugs.openjdk.org/browse/JDK-8345042).

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PR Comment: https://git.openjdk.org/jdk/pull/22038#issuecomment-2500052778