[jdk15u-dev] RFR: 8249608: Vector register used by C2 compiled method corrupted at safepoint

[Olga Mikhaltsova]

I'd like to backport JDK-8249608 to jdk15u for parity with jdk11u.
The original patch applied cleanly.

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Commit messages:
 - Backport 970e251a54d3b8871d3b948c1632c124f248cb01

Changes: https://git.openjdk.java.net/jdk15u-dev/pull/56/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk15u-dev&pr=56&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8249608
  Stats: 105 lines in 2 files changed: 104 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk15u-dev/pull/56.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk15u-dev pull/56/head:pull/56

PR: https://git.openjdk.java.net/jdk15u-dev/pull/56