[jdk11u-dev] RFR: 8297147: UnexpectedSourceImageSize test times out on slow machines when fastdebug is used

[Matthias Baesken]

8297147: UnexpectedSourceImageSize test times out on slow machines when fastdebug is used

-------------

Commit messages:
 - Backport 88957a7ce8932b95e3a18e6a7d1ceb3b7f60c781

Changes: https://git.openjdk.org/jdk11u-dev/pull/1564/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=1564&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8297147
  Stats: 1 line in 1 file changed: 1 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk11u-dev/pull/1564.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u-dev pull/1564/head:pull/1564

PR: https://git.openjdk.org/jdk11u-dev/pull/1564