hg: jdk/sandbox: 2 new changesets

[chris.hegarty at oracle.com]

Changeset: 5b1ad4cbe59e
Author:    shurailine
Date:      2019-04-11 03:05 -0800
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/5b1ad4cbe59e

8221857: Collect code coverage for a subset of code
Reviewed-by: erikj

! make/Coverage.gmk
! make/RunTests.gmk
! make/autoconf/jdk-options.m4
! make/autoconf/spec.gmk.in

Changeset: c201ca660afd
Author:    dcubed
Date:      2019-04-11 14:14 -0400
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/c201ca660afd

8222034: Thread-SMR functions should be updated to remove work around
Reviewed-by: mdoerr, eosterlund

! src/hotspot/share/runtime/threadSMR.cpp