[jdk11u-dev] RFR: 8241097: java/math/BigInteger/largeMemory/SymmetricRangeTests.java requires -XX:+CompactStrings

[Goetz Lindenmaier]

I backport this for parity with 11.0.20-oracle.

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Commit messages:
 - Backport 44eca823aa04d8ea63d9b5ebf47001a4bc7295ed

Changes: https://git.openjdk.org/jdk11u-dev/pull/1999/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=1999&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8241097
  Stats: 2 lines in 1 file changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk11u-dev/pull/1999.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u-dev.git pull/1999/head:pull/1999

PR: https://git.openjdk.org/jdk11u-dev/pull/1999