RFR: Fix RichDiagnosticFormatter not to strip metadata when computing where clauses

[Maurizio Cimadamore]

On Tue, 10 Feb 2026 19:08:49 GMT, Vicente Romero <vromero at openjdk.org> wrote:

> looks good, we should consider pushing part of this PR into mainline

I agree -- this is probably a valid general change

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PR Comment: https://git.openjdk.org/valhalla/pull/1921#issuecomment-3881254924