hg: code-tools/jol: 7901422: GraphLayout.parseInstance should accept multiple roots

[aleksey.shipilev at oracle.com]

Changeset: 9c716b63a6cf
Author:    shade
Date:      2015-05-14 11:51 +0300
URL:       http://hg.openjdk.java.net/code-tools/jol/rev/9c716b63a6cf

7901422: GraphLayout.parseInstance should accept multiple roots

! jol-core/src/main/java/org/openjdk/jol/info/GraphLayout.java
! jol-core/src/main/java/org/openjdk/jol/info/GraphWalker.java
! jol-samples/src/main/java/org/openjdk/jol/samples/JOLSample_16_AL_LL.java