hg: jdk/sandbox: 3 new changesets

[chris.hegarty at oracle.com]

Changeset: e61065c08924
Author:    gromero
Date:      2019-03-20 16:59 -0400
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/e61065c08924

8220794: PPC64: Fix signal handler for SIGSEGV on branch to illegal address
Reviewed-by: stuefe, goetz

! src/hotspot/os_cpu/linux_ppc/os_linux_ppc.cpp

Changeset: a2897fb258f1
Author:    gromero
Date:      2019-03-20 16:43 -0400
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/a2897fb258f1

8221175: Fix bad function case for controlled JVM crash on PPC64 big-endian
Reviewed-by: chrisphi, stuefe, goetz

! src/hotspot/share/utilities/vmError.cpp

Changeset: 33f0b34c9dd7
Author:    redestad
Date:      2019-03-26 15:20 +0100
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/33f0b34c9dd7

8221473: Configuration::reads can use Set.copyOf
Reviewed-by: alanb, forax

! src/java.base/share/classes/java/lang/module/Configuration.java