RFR: 8353266: C2: Wrong execution with Integer.bitCount(int) intrinsic on AArch64

Mon Jun 2 06:53:50 UTC 2025

On Sat, 31 May 2025 02:59:48 GMT, SendaoYan <syan at openjdk.org> wrote:

> Hi, how does this bug was found, seems the original testcase generated by a fuzz tool.

Seems so, given what the initial reproducer looks like, but I'm not sure. The ticket was opened 3 years ago, not sure anyone remembers. If you want to know more context, maybe you can ask the initial reporter.

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PR Comment: https://git.openjdk.org/jdk/pull/25551#issuecomment-2929087749