[jdk17u-dev] RFR: 8275329: ZGC: vmTestbase/gc/gctests/SoftReference/soft004/soft004.java fails with assert(_phases->length() <= 1000) failed: Too many recored phases?

[Goetz Lindenmaier]

I backport this for parity with 17.0.10-oracle.

A trivial resolve, probably clean.

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Commit messages:
 - Backport 46fd683820bb7149c0605a0ba03f59e76de69c16

Changes: https://git.openjdk.org/jdk17u-dev/pull/1901/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=1901&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8275329
  Stats: 30 lines in 1 file changed: 14 ins; 15 del; 1 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/1901.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/1901/head:pull/1901

PR: https://git.openjdk.org/jdk17u-dev/pull/1901