RFR: JDK-8288121: [JVMCI] Re-export the TerminatingThreadLocal functionality to the graal compiler. [v2]

[Tomáš Zezula]

> JVMCI compilers need to release resources tied to a thread-local variable when the associated thread is exiting. The JDK internally uses the jdk.internal.misc.TerminatingThreadLocal class for this purpose. This pull request re-exports the TerminatingThreadLocal functionality to JVMCI compilers.

Tomáš Zezula has updated the pull request incrementally with one additional commit since the last revision:

  Update full name

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Changes:
  - all: https://git.openjdk.org/jdk/pull/9107/files
  - new: https://git.openjdk.org/jdk/pull/9107/files/9156847a..1a56ef40

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=9107&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=9107&range=00-01

  Stats: 0 lines in 0 files changed: 0 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/9107.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/9107/head:pull/9107

PR: https://git.openjdk.org/jdk/pull/9107