RFR(S) : 8233745 : [JVMCI] TranslatedException should serialize classloader and module info

[Igor Ignatyev]

http://cr.openjdk.java.net/~iignatyev//8233745/webrev.00/index.html
> 71 lines changed: 50 ins; 14 del; 7 mod; 

Hi all,

could you please review the small patch which updates jdk/vm/ci/hotspot/TranslatedException to encode/decode StackTraceElement fields which were introduced in JDK9 (classloader name, module name and version fields)?

I wasn't able to make deserialize StackTraceElement::toString to return the same string representation as original ones b/c StackTraceElement::declaringClassObject won't be set, as a result, JDK_NON_UPGRADEABLE_MODULE and BUILTIN_CLASS_LOADER bits won't be set either and StackTraceElement::toString will have classloader names even for built-it loader (won't be in original b/c dropClassLoaderName() is true) and version of system modules (won't be in original b/c dropModuleVersion() is true); so I changed how TestTranslatedException compares original and decoded exceptions.

webrev: http://cr.openjdk.java.net/~iignatyev//8233745/webrev.00
JBS: https://bugs.openjdk.java.net/browse/JDK-8233745
testing: compiler/jvmci/ + graal tiers

Thanks,
-- Igor