[jdk17u-dev] RFR: 8273139: C2: assert(f <= 1 && f >= 0) failed: Incorrect frequency

[Martin Doerr]

Clean backport of [JDK-8273139](https://bugs.openjdk.java.net/browse/JDK-8273139)

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Commit messages:
 - Backport 68b40ec28658a2dd829c77281b0025e16095c170

Changes: https://git.openjdk.java.net/jdk17u-dev/pull/252/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk17u-dev&pr=252&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8273139
  Stats: 19 lines in 1 file changed: 2 ins; 5 del; 12 mod
  Patch: https://git.openjdk.java.net/jdk17u-dev/pull/252.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk17u-dev pull/252/head:pull/252

PR: https://git.openjdk.java.net/jdk17u-dev/pull/252