Summary: Assertion incorrectly checks that _head is NULL and should be checking that _tail is NULL instead.
Reviewed-by: johnc
Contributed-by: NBrandon Mitchell <brandon@twitter.com>

Summary: Duplicated code from G1RemSet::par_write_ref() inlined into G1UpdateRSOrPushRefOopClosure::do_oop_nv() was showing up in profiles with a fairly high amount of CPU time. Manually inline the main part of G1RemSet::par_write_ref() to eliminate the code duplication.
Reviewed-by: azeemj, brutisso

Reviewed-by: jcoomes

Summary: Use uncast node equivalence checks in CmpUNode::sub.
Reviewed-by: kvn, twisti
Contributed-by: vladimir.x.ivanov@oracle.com

Summary: Also reviewed by: vitalyd@gmail.com. Move the timing out of G1CollectorPolicy into the G1GCPhaseTimes class
Reviewed-by: johnc

Reviewed-by: sspitsyn, dholmes, coleenp, kamg

Summary: Use class exactness as part of the condition for class compare optimization instead of assert.
Reviewed-by: twisti, roland

Summary: Send warnings to output stream
Reviewed-by: dholmes, fparain

Summary: When c2 intrinsifies pow/exp, it should never inline the java implementations.
Reviewed-by: kvn

Reviewed-by: jcoomes

Summary: libjvm_g_db.so and libjvm_g_dtrace.so links in .diz file still had 64 directory
Reviewed-by: kamg, dholmes, sspitsyn

Reviewed-by: coleenp, mgronlun, rbackman

Summary: Made new_hash() overloaded rather than a virtual function so SA code doesn't need to be changed.
Reviewed-by: kvn, acorn, dholmes, fparain

Summary: Updated core path location to reflect macosx default
Reviewed-by: dholmes, kamg

Summary: change hotspot flag to be unsigned
Reviewed-by: dholmes, sla, fparain, brutisso
Contributed-by: NChris Dennis <cdennis@terracottatech.com>

7151532: DCmd for hotspot native memory tracking
Summary: Implementation of native memory tracking phase 1, which tracks VM native memory usage, and related DCmd
Reviewed-by: acorn, coleenp, fparain

Summary: Missing .PHONY targets in makefile
Reviewed-by: dholmes, dsamersoff

Summary: check for and skip diamond shaped NULL check code for the result of toString()
Reviewed-by: twisti, roland

Summary: Cannot delete _buckets and HashtableEntries in shared space (CDS)
Reviewed-by: acorn, kvn, dlong, dcubed, kamg

Summary: Remove the per-thread expansion tables (PosParPRT) and associated expansion and compaction from the fine grain RSet entries. This code has been unused for a while.
Reviewed-by: johnc, brutisso
Contributed-by: NThomas Schatzl <thomas.schatzl@jku.at>

Summary: build powerpc with -fPIC
Reviewed-by: mikael, vladidan, roland
Contributed-by: dean.long@oracle.com

Summary: Missing cast caused integer overflow
Reviewed-by: rbackman, dholmes

Summary: Bug fix of 7126277 changed hashing algorithm and also changed key as final field, this led SA unable to set correct value for key. Solution by reading key/value and insert them into the new table.
Reviewed-by: dholmes, mikael
Contributed-by: yumin.qi@oracle.com

Summary: String offset and count fields as fix of 6924259 were removed, and become optional. SA still use offset and count fields to read String contents and failed. Fix if they exist, use them other then use value field only to read, this keeps consistent with the changes in 6924259.
Reviewed-by: dholmes, mikael
Contributed-by: yumin.qi@oracle.com