[jdk17u-dev] RFR: 8249693: java/nio/channels/FileChannel/FileExtensionAndMap.java uses @ignore w/o bug id

[Goetz Lindenmaier]

On Wed, 20 Mar 2024 16:25:13 GMT, Goetz Lindenmaier <goetz at openjdk.org> wrote:

> I backport this for parity with 17.0.12-oracle.

In our nightly testing, this crashed on linuxaarch. This is very unexpected, especially given this change only modifies the test. 
Problematic frame:
# v  ~StubRoutines::forward_copy_longs

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PR Comment: https://git.openjdk.org/jdk17u-dev/pull/2316#issuecomment-2011824402