RFR: 8191963: Path.equals() and File.equals() return true for two different files on Windows [v2]

[Brian Burkhalter]

On Mon, 6 Oct 2025 16:12:49 GMT, Naoto Sato <naoto at openjdk.org> wrote:

> Would it be safer to make the new behavior as opt-in, as well as making the system property to be windows specific `windowsCompatibleEquals` or something? Making it as the default might be a bit risky to me.

Opt-in might mean that no one will ever do it, but it would make the compatibility risk zero. The suggested property name is good, or it could be `jdk.io.File.windowsNIOCompatibleEquals`.

> Also, IIUC the test is comparing cases between 'I', '\u0130' and '\u0131'. Probably we need to cross test with 'i' too.

Acknowledged.

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PR Comment: https://git.openjdk.org/jdk/pull/25788#issuecomment-3383609797