RFR: 8355065: ConcurrentModificationException in RichDiagnosticFormatter

[Liam Miller-Cushon]

On Mon, 21 Apr 2025 16:18:14 GMT, Liam Miller-Cushon <cushon at openjdk.org> wrote:

> It might also be worthwhile to either update RichDiagnosticFormatter to detect if `format` is called recursively and report an error, or else make it safe and keep a stack of `whereClauses` state to make that correct.

I added a draft of the first approach, which causes it to detect if RichDiagnosticFormatter is used recursively and throws an exception.

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PR Comment: https://git.openjdk.org/jdk/pull/24769#issuecomment-2819100291