RFR: 8357286: (bf) Remove obsolete instanceof checks in CharBuffer.append

Wed Jun 11 15:58:28 UTC 2025

On Wed, 11 Jun 2025 15:27:58 GMT, Brian Burkhalter <bpb at openjdk.org> wrote:

> > Hello Brian, it looks like the Basic.java test has caught a genuine issue with this change:
> 
> Which `Basic.java`? The `jdk_nio` tests all passed on Linux.

The failure was from the GitHub actions jobs that are linked against this PR. For example here https://github.com/bplb/jdk/actions/runs/15573247306#summary-43854237657. The test appears to be `java/lang/Appendable/Basic`.

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PR Comment: https://git.openjdk.org/jdk/pull/25739#issuecomment-2963365420