8067868: Add GCOld as a JTreg test Reviewed-by: kbarrett, dfazunen, ehelin

8048179: Early reclaim of large objects that are referenced by a few objects Summary: Push the remembered sets of large objects with few referenced into the dirty card queue at the beginning of the evacuation so that they may end up with zero remembered set entries at the end of the collection, and are potentially reclaimed. Also improve timing measurements of the early reclaim mechanism, and shorten flag names. Reviewed-by: brutisso, jmasa, dfazunen

8067676: Add applicable closed gc jtreg tests to run in JPRT Reviewed-by: ehelin

Merge

8067947: Regression test for JDK-6522873 Summary: Added a regression test that will fail if we allow extra characters after flag names Reviewed-by: ctornqvi, tschatzl

8068018: Clean up friends of G1CollectedHeap Summary: Remove unnecessary friend class declaration in the G1CollectedHeap class. Reviewed-by: jwilhelm, jmasa

8067836: The Universe::flush_foo methods belong in CodeCache. Summary: Move this code to CodeCache. Reviewed-by: kbarrett, kvn

6583051: crash when adding non-static methods to java.lang.Object class Summary: stop the JVM if java.lang.Object is incorrectly defined rather than crashing. Reviewed-by: ctornqvi, dholmes

8064457: Introduce compressed oops mode disjoint base and improve compressed heap handling. Summary: Introduce compressed oops mode disjoint base and improve compressed heap handling. Reviewed-by: kvn, coleenp

8064335: Null pointer dereference in hotspot/src/share/vm/classfile/verifier.cpp Summary: use correct CHECK macro in call to load_class() Reviewed-by: coleenp, lfoltan, gziemski