hg: jdk/sandbox: 8202303: LogStream should autoflush on destruction

[chris.hegarty at oracle.com]

Changeset: 7379e6f906ae
Author:    stuefe
Date:      2018-05-03 07:35 +0200
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/7379e6f906ae

8202303: LogStream should autoflush on destruction
Reviewed-by: dholmes, rehn, zgu

! src/hotspot/share/logging/logStream.cpp
! src/hotspot/share/logging/logStream.hpp
! test/hotspot/gtest/logging/test_logStream.cpp