Reviewed-by: stefank, mgerdin

Summary: Add timer units to concurrent marking phases where the units were missing.
Reviewed-by: jmasa, ysr

Reviewed-by: jcoomes

Reviewed-by: brutisso, johnc
Contributed-by: vladimir.kempik@oracle.com

Summary: jlong atomics isn't fully implemented om all 32-bit platforms so we try to avoid it. In this case the atomic add wasn't needed.
Reviewed-by: dholmes, dlong

Summary: Add regression test for crash seen in 8005875. Test is run with G1 and PGCT=0 and issues "jcmd <pid> Thread.print" against itself. Without the fix for 8005875 the test will crash.
Reviewed-by: brutisso

Reviewed-by: sla, brutisso

Summary: Regression test for 8000311. Verifies that PLABStats works with zero parallel GC threads.
Reviewed-by: jmasa, johnc
Contributed-by: NFilipp Zhinkin <filipp.zhinkin@oracle.com>

Summary: Adds code to HotSpot to properly update MethodParameter attributes' constant pool indexes when redefineClasses is called
Reviewed-by: coleenp, sspitsyn

Summary: Save errno before processing signal, then restore it.
Reviewed-by: acorn, sspitsyn

Summary: Added few checks and early bailout from Superword optimization to avoid such cases in a future.
Reviewed-by: roland, twisti

Summary: Strip lines matching the performance warning from the output before diff.
Reviewed-by: kvn

Summary: Added an explicit timeouts.
Reviewed-by: kvn, twisti

Reviewed-by: dholmes, rbackman

Reviewed-by: dholmes, mikael

Summary: use expensive node logic for other more math nodes.
Reviewed-by: kvn

Reviewed-by: jcoomes

Reviewed-by: dholmes, rbackman

Summary: This is a fix of an initialization mistake for class AdaptiveSizePolicy.
Reviewed-by: jmasa
Contributed-by: NTao Mao <tao.mao@oracle.com>

Summary: Fixed makefile logic to correctly special case JRE_RELEASE_VERSION and vm_version.o
Reviewed-by: dholmes, erikj