[jdk11u-dev] RFR: 8239007: java/math/BigInteger/largeMemory/ tests should be disabled on 32-bit platforms

[Goetz Lindenmaier]

I backport this for parity with 11.0.20-oracle.

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Commit messages:
 - Backport 1ef862d03db396ebd7ccf2a6578a1204209eff94

Changes: https://git.openjdk.org/jdk11u-dev/pull/1981/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=1981&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8239007
  Stats: 3 lines in 3 files changed: 0 ins; 0 del; 3 mod
  Patch: https://git.openjdk.org/jdk11u-dev/pull/1981.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u-dev.git pull/1981/head:pull/1981

PR: https://git.openjdk.org/jdk11u-dev/pull/1981