RFR: 8267666: Add option to jcmd GC.heap_dump to use existing file

[Anton Kozlov]

On Thu, 27 May 2021 13:57:05 GMT, Lin Zang <lzang at openjdk.org> wrote:

> you may need to add test cases

A test is trivial. Just in case, I've added it.

> it seems the /csr label is required

Is the label really required? I don't see any integrated RFR with the label. I won't push this before CSR is approved anyway.

Thanks!

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PR: https://git.openjdk.java.net/jdk/pull/4183