RFR: 8325074: ZGC fails assert(index == 0 || is_power_of_2(index)) failed: Incorrect load shift: 11

Thu Feb 15 08:41:02 UTC 2024

On Thu, 15 Feb 2024 08:33:11 GMT, Roberto Castañeda Lozano <rcastanedalo at openjdk.org> wrote:

> The fix looks good. How did you confirm that it solves the issue (given the failure is intermittent with low frequency)? Would it be possible to complement the failing test case with another test that reproduces the issue more reliably?

Running with #17864 reproduces this deterministically. As that change might require some more input (a more general change to heap invariant checking) we decided to split it out to an RFE and not as part of this bug fix.

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PR Comment: https://git.openjdk.org/jdk/pull/17863#issuecomment-1945599555