RFR: 8321509: False positive in get_trampoline fast path causes crash [v3]

[Dean Long]

> 8321509: False positive in get_trampoline fast path causes crash

Dean Long has updated the pull request incrementally with one additional commit since the last revision:

  cleanup

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Changes:
  - all: https://git.openjdk.org/jdk/pull/19796/files
  - new: https://git.openjdk.org/jdk/pull/19796/files/e699b531..09ed1da4

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=19796&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=19796&range=01-02

  Stats: 12 lines in 3 files changed: 1 ins; 4 del; 7 mod
  Patch: https://git.openjdk.org/jdk/pull/19796.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/19796/head:pull/19796

PR: https://git.openjdk.org/jdk/pull/19796