RFR: 8374436: compiler/igvn/IntegerDivValueTests.java failed with division by zero

Tue Jan 6 07:53:31 UTC 2026

On Mon, 5 Jan 2026 18:37:54 GMT, Tobias Hotz <duke at openjdk.org> wrote:

> This PR is a follow-up to https://github.com/openjdk/jdk/pull/26143
> I've missed that INT_CONST_2 and LONG_CONST_2 may be zero depending on the seed, which causes arithmetic exceptions that are not being caught.
> The fix is simple: Detect if these constants are zero, and if so, expect a div by zero exception to be thrown.
> I've not added additional test as this is a testbug, but I verified this test works correctly now if INT_CONST_2 is zero

That looks good, thanks for fixing this!

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Marked as reviewed by chagedorn (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/29045#pullrequestreview-3629813472