hg: panama/panama/jdk: 2 new changesets

[vladimir.x.ivanov at oracle.com]

Changeset: 09b458f1eb3c
Author:    vlivanov
Date:      2016-04-26 20:21 +0300
URL:       http://hg.openjdk.java.net/panama/panama/jdk/rev/09b458f1eb3c

Missing util class for machine code snippet test.

+ test/panama/snippets/PatchableVectorUtils.java

Changeset: 46fdd52b419c
Author:    vlivanov
Date:      2016-04-26 20:22 +0300
URL:       http://hg.openjdk.java.net/panama/panama/jdk/rev/46fdd52b419c

Fix a deadlock in concurrent j.l.i initializaion.

! src/java.base/share/classes/java/lang/invoke/MethodHandles.java