hg: graal/graal-compiler: 2 new changesets

[doug.simon at oracle.com]

Changeset: 40828a827a66
Author:    Stefan Anzinger <stefan.anzinger at oracle.com>
Date:      2015-12-03 15:46 +0100
URL:       http://hg.openjdk.java.net/graal/graal-compiler/rev/40828a827a66

Add toString to NodeStack

! graal/com.oracle.graal.graph/src/com/oracle/graal/graph/NodeStack.java

Changeset: 252a14787fa6
Author:    Stefan Anzinger <stefan.anzinger at oracle.com>
Date:      2015-12-03 17:08 +0100
URL:       http://hg.openjdk.java.net/graal/graal-compiler/rev/252a14787fa6

Do not use MaterializationUsageReplacer for InstanceOfSnippets when ConditionalNode values are not constant (ohterwise schedule may get invalid)

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