8166417: Integrate Graal-core into JDK for AOT compiler Reviewed-by: iveresov, kvn, erikj, ihse, mchung Contributed-by: Doug Simon <doug.simon@oracle.com>, Lukas Stadler <lukas.stadler@oracle.com>, Tom Rodriguez <tom.rodriguez@oracle.com>, Roland Schatz <roland.schatz@oracle.com>, Josef Eisl <josef.eisl@jku.at>, Christian Wimmer <christian.wimmer@oracle.com>, Chris Thalinger <cthalinger@twitter.com>, Gilles Duboscq <gilles.m.duboscq@oracle.com>, David Leopoldseder <david.d.leopoldseder@oracle.com>, Stefan Anzinger <stefan.anzinger@oracle.com>, Christian Humer <christian.humer@oracle.com>, Michael Berg <michael.c.berg@intel.com>, Bernhard Urban <bernhard.urban@jku.at>, Miguel Garcia <miguel.m.garcia@oracle.com>, Yudi Zheng <yudi.zheng@usi.ch>, Christos Kotselidis <christos.kotselidis@oracle.com>, Andreas Woess <andreas.woess@jku.at>, Stefan Rumzucker <stefan.rumzucker@jku.at>, Aleksandar Prokopec <aleksandar.prokopec@oracle.com>, Christian Haeubl <haeubl@ssw.jku.at>, Morris Meyer <morris.meyer@oracle.com>, Matthias Grimmer <grimmer@ssw.jku.at>, Erik Eckstein <erik.eckstein@oracle.com>, Josef Haider <josef.haider@jku.at>, Manuel Rigger <rigger.manuel@gmail.com>, Michael Haupt <michael.haupt@oracle.com>, Niclas Adlertz <niclas.adlertz@oracle.com>, Jaroslav Tulach <jaroslav.tulach@oracle.com>, Chris Seaton <chris.seaton@oracle.com>, Peter Kessler <peter.b.kessler@oracle.com>, Christian Wirth <christian.wirth@oracle.com>, Benoit Daloze <benoit.d.daloze@oracle.com>

8171046: Quarantine TestStressG1Humongous.java until JDK-8171045 is fixed Reviewed-by: kvn