8039497: Testlibrary should be updated to provide information about all VM types as well as access to Unsafe
Reviewed-by: kvn, iignatyev
Contributed-by: filipp.zhinkin@oracle.com

Summary: Only c2 compiles counts toward cutoff
Reviewed-by: kvn, roland

Reviewed-by: kvn, iignatyev
Contributed-by: anton.ivanov@oracle.com

Reviewed-by: kvn, roland

Reviewed-by: tschatzl, jwilhelm

Reviewed-by: twisti, kvn

Reviewed-by: kvn, dholmes

Summary: Replaced the verification call to a conditional one that only runs verification in debug builds.
Reviewed-by: brutisso, tschatzl

Reviewed-by: jmasa, sjohanss

Reviewed-by: coleenp, dsamersoff
Contributed-by: masato.yoshida@oracle.com

Reviewed-by: jcoomes

8033696: "assert(thread != NULL) failed: just checking" due to Thread::current() and JNI pthread interaction
Reviewed-by: dholmes, dsamersoff
Contributed-by: andreas.eriksson@oracle.com

Reviewed-by: jrose, twisti

Reviewed-by: kvn, twisti

8036667: "assert(adr->is_AddP() && adr->in(AddPNode::Offset)->is_Con()) failed: offset is a constant" with FoldStableValues on
Reviewed-by: kvn

Reviewed-by: morris, kvn

Reviewed-by: iveresov, kvn, iignatyev
Contributed-by: filipp.zhinkin@oracle.com

Reviewed-by: dholmes, sla

Reviewed-by: tschatzl, pliden

Summary: verify YMM registers after signal processing and set limit on vector's size.
Reviewed-by: iveresov, twisti

Reviewed-by: tschatzl, pliden