hg: jdk/sandbox: 2 new changesets

[chris.hegarty at oracle.com]

Changeset: a6aca02cf01a
Author:    erikj
Date:      2018-04-03 22:33 +0200
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/a6aca02cf01a

8200375: Change to GCC 7.3.0 for building Linux at Oracle
Reviewed-by: ihse, tbell

! make/conf/jib-profiles.js

Changeset: a387ee36e5e0
Author:    ihse
Date:      2018-04-03 22:37 +0200
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/a387ee36e5e0

8200658: Fix incremental builds of hotspot on solaris
Reviewed-by: erikj

! make/common/NativeCompilation.gmk