hg: graal/graal-compiler: defend against missing LocalVariableTable method attribute and missing slots in the table

[doug.simon at oracle.com]

Changeset: 0dee85d7e73e
Author:    Doug Simon <doug.simon at oracle.com>
Date:      2016-01-28 16:24 +0100
URL:       http://hg.openjdk.java.net/graal/graal-compiler/rev/0dee85d7e73e

defend against missing LocalVariableTable method attribute and missing slots in the table

! graal/com.oracle.graal.replacements/src/com/oracle/graal/replacements/SnippetTemplate.java