hg: graal/graal-compiler: 3 new changesets

[doug.simon at oracle.com]

Changeset: c4bc20095e03
Author:    Mick Jordan <mick.jordan at oracle.com>
Date:      2015-07-27 18:00 -0700
URL:       http://hg.openjdk.java.net/graal/graal-compiler/rev/c4bc20095e03

updated truffle import

! mx.graal/suite.py

Changeset: c68c5babdecd
Author:    Roland Schatz <roland.schatz at oracle.com>
Date:      2015-07-28 11:42 +0200
URL:       http://hg.openjdk.java.net/graal/graal-compiler/rev/c68c5babdecd

Make graal gate configurable.

! mx.graal/mx_graal.py

Changeset: f76cc63cf1d9
Author:    Roland Schatz <roland.schatz at oracle.com>
Date:      2015-07-28 17:06 +0200
URL:       http://hg.openjdk.java.net/graal/graal-compiler/rev/f76cc63cf1d9

Re-add accidentially dropped -Xcomp gate test.

! mx.graal/mx_graal.py