hg: jdk/sandbox: 2 new changesets

[chris.hegarty at oracle.com]

Changeset: 45e6ec6fa679
Author:    iignatyev
Date:      2019-02-19 13:51 -0800
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/45e6ec6fa679

8219391: extend gcov support to llvm/clang
Reviewed-by: erikj

! make/autoconf/jdk-options.m4

Changeset: 1b40a0178b2a
Author:    redestad
Date:      2019-02-19 23:02 +0100
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/1b40a0178b2a

8219393: Add native library support for microbenchmarks
Reviewed-by: erikj
Contributed-by: jbvernee at xs4all.nl

! make/RunTests.gmk
! make/test/BuildMicrobenchmark.gmk