hg: graal/graal-compiler: 3 new changesets

[doug.simon at oracle.com]

Changeset: c95a2eaf97e1
Author:    Tom Rodriguez <tom.rodriguez at oracle.com>
Date:      2016-01-05 17:05 -0800
URL:       http://hg.openjdk.java.net/graal/graal-compiler/rev/c95a2eaf97e1

Correct the stamp on the PiNode from a range check

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

Changeset: 1239452bbde2
Author:    Tom Rodriguez <tom.rodriguez at oracle.com>
Date:      2016-01-05 17:06 -0800
URL:       http://hg.openjdk.java.net/graal/graal-compiler/rev/1239452bbde2

Use isPresent with Optional type

! graal/com.oracle.graal.compiler/src/com/oracle/graal/compiler/phases/GraphChangeMonitoringPhase.java

Changeset: f78e658f5c43
Author:    Tom Rodriguez <tom.rodriguez at oracle.com>
Date:      2016-01-06 13:57 -0800
URL:       http://hg.openjdk.java.net/graal/graal-compiler/rev/f78e658f5c43

Merge