[jdk13u-dev] RFR: 8249875: GCC 10 warnings -Wtype-limits with JFR code

[Yuri Nesterenko]

We need this fix in 13u, too. Risk is low. Skara-clean.

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Commit messages:
 - Backport 401d3ea9bcf71ff2bff2f5e1e595935785972c32

Changes: https://git.openjdk.org/jdk13u-dev/pull/399/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk13u-dev&pr=399&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8249875
  Stats: 4 lines in 2 files changed: 0 ins; 1 del; 3 mod
  Patch: https://git.openjdk.org/jdk13u-dev/pull/399.diff
  Fetch: git fetch https://git.openjdk.org/jdk13u-dev pull/399/head:pull/399

PR: https://git.openjdk.org/jdk13u-dev/pull/399