RFR: 8328166: Epsilon: 'EpsilonHeap::allocate_work' misuses the parameter 'size' as size in bytes

[Guoxiong Li]

Hi all,

The method `EpsilonHeap::allocate_work` misuses the parameter `size` as size in bytes. Actually, the parameter `size` is size in words. This patch fixes it.
 
The test command `make test TEST=test/hotspot/jtreg/gc/epsilon` passed locally.

Thanks for taking the time to review.

Best Regards,
-- Guoxiong

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

Commit messages:
 - JDK-8328166

Changes: https://git.openjdk.org/jdk/pull/18303/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=18303&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8328166
  Stats: 4 lines in 1 file changed: 1 ins; 0 del; 3 mod
  Patch: https://git.openjdk.org/jdk/pull/18303.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/18303/head:pull/18303

PR: https://git.openjdk.org/jdk/pull/18303