[crac] RFR: 8375286: [CRaC] Crash with empty CRaCCheckpointTo

[Timofei Pushkin]

On Wed, 14 Jan 2026 11:20:17 GMT, Radim Vansa <rvansa at openjdk.org> wrote:

> When the JVM is started with `-XX:CRaCCheckpointTo=` (empty value), on checkpoint the code accesses null pointer and the process crashes.

Marked as reviewed by tpushkin (Committer).

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PR Review: https://git.openjdk.org/crac/pull/287#pullrequestreview-3676870377