RFR: 8272586: emit abstract machine code in hs-err logs

[Vladimir Kozlov]

On Thu, 9 Sep 2021 16:56:57 GMT, Doug Simon <dnsimon at openjdk.org> wrote:

> This enhances hs-err logs to:
> * Show the [abstract machine code](https://bugs.openjdk.java.net/browse/JDK-8213084) of the crashing frame if a disassembler is not installed.
> * Show machine code for the top frames on the native stack.
> 
> An interpreter or stub frame is only shown if it is the crashing frame.
> 
> A sample of the enhanced hs-err log can be seen [here](https://bugs.openjdk.java.net/secure/attachment/96664/hs_err_pid7179.log).

src/hotspot/share/utilities/vmError.cpp line 307:

> 305:         ResourceMark rm(thread);
> 306:         Disassembler::decode(cb, st);
> 307:         st->cr();

Why RM used only here?

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PR: https://git.openjdk.java.net/jdk/pull/5446