RFR: 8269909: getStack method in hprof.parser.Reader should use try-with-resource [v5]

[Lin Zang]

On Fri, 16 Jul 2021 11:53:15 GMT, Lin Zang <lzang at openjdk.org> wrote:

>> 8269909: getStack method in hprof.parser.Reader should use try-with-resource
>
> Lin Zang has updated the pull request incrementally with one additional commit since the last revision:
> 
>   rename variables

Just got a quick update from Serguei, Let's wait for his approve. Thanks all for your help!
-Lin

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PR: https://git.openjdk.java.net/jdk/pull/4717