hg: jdk/sandbox: 2 new changesets

[chris.hegarty at oracle.com]

Changeset: cfd1e298ca33
Author:    shade
Date:      2019-06-05 09:23 +0200
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/cfd1e298ca33

8225229: Shenandoah: trim down default number of GC threads
Reviewed-by: rkennke

! src/hotspot/share/gc/shenandoah/shenandoahArguments.cpp
+ test/hotspot/jtreg/gc/shenandoah/options/TestThreadCounts.java

Changeset: 28c93b5fb056
Author:    redestad
Date:      2019-06-05 10:07 +0200
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/28c93b5fb056

8225179: (regex) Minor Pattern cleanup
Reviewed-by: igerasim

! src/java.base/share/classes/java/util/regex/Pattern.java
! test/micro/org/openjdk/bench/java/util/regex/PatternBench.java