[crac] RFR: Fix ArchivedEnumTest.java testsuite regression

[Jan Kratochvil]

java.lang.RuntimeException: 'object points to a static field that may be reinitialized at runtime' found in stdout
        at jdk.test.lib.process.OutputAnalyzer.shouldNotContain(OutputAnalyzer.java:267)
        at ArchivedEnumTest.main(ArchivedEnumTest.java:49)
        at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
        at java.base/java.lang.reflect.Method.invoke(Method.java:580)
        at com.sun.javatest.regtest.agent.MainActionHelper$AgentVMRunnable.run(MainActionHelper.java:333)
        at java.base/java.lang.Thread.run(Thread.java:1570)

[1.337s][warning][cds,heap] Archive heap points to a static field that may be reinitialized at runtime:
[1.337s][warning][cds,heap] Field: jdk/crac/impl/GlobalContext::GLOBAL_CONTEXT_IMPL_NAME
[1.337s][warning][cds,heap] Value: java.lang.String
[1.337s][warning][cds,heap] {0x00000000d7561560} - klass: 'java/lang/String'
[1.337s][warning][cds,heap]  - string: ""
[1.337s][warning][cds,heap]  - ---- fields (total size 3 words):
[1.337s][warning][cds,heap]  - private 'hash' 'I' @12  0 (0x00000000)
[1.337s][warning][cds,heap]  - private final 'coder' 'B' @16  0 (0x00)
[1.338s][warning][cds,heap]  - private 'hashIsZero' 'Z' @17  true (0x01)
[1.338s][warning][cds,heap]  - injected 'flags' 'B' @18  1 (0x01)
[1.338s][warning][cds,heap]  - private final 'value' '[B' @20  [B{0x00000000d7561578} (0xd7561578)
[1.338s][warning][cds,heap] --- trace begin ---
[1.338s][warning][cds,heap] [ 0] (shared string table)
[1.338s][warning][cds,heap] [ 1] {0x00000000d7561560} java.lang.String
[1.338s][warning][cds,heap] --- trace end ---


I haven't found a way how to fix [src/java.base/share/classes/jdk/crac/impl/GlobalContext.java](https://github.com/openjdk/crac/blob/crac/src/java.base/share/classes/jdk/crac/impl/GlobalContext.java) not regressing its current static field performance without adding this exception.

-------------

Commit messages:
 - Fix ArchivedEnumTest.java testsuite regression

Changes: https://git.openjdk.org/crac/pull/109/files
 Webrev: https://webrevs.openjdk.org/?repo=crac&pr=109&range=00
  Stats: 5 lines in 2 files changed: 1 ins; 0 del; 4 mod
  Patch: https://git.openjdk.org/crac/pull/109.diff
  Fetch: git fetch https://git.openjdk.org/crac.git pull/109/head:pull/109

PR: https://git.openjdk.org/crac/pull/109