[jdk11u-dev] Integrated: 8269304: Regression ~5% in 2005 in b27

[Roland Westrelin]

clean backport of 8269304

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Commit messages:
 - Backport 8d09596f270c822b867d38a5462ec62c613f1d0e

Changes: https://git.openjdk.java.net/jdk11u-dev/pull/135/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk11u-dev&pr=135&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8269304
  Stats: 3 lines in 1 file changed: 2 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk11u-dev/pull/135.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk11u-dev pull/135/head:pull/135

PR: https://git.openjdk.java.net/jdk11u-dev/pull/135