Reviewed-by: brutisso, tschatzl, mgerdin

8024954: CMS: CMSClassUnloadingMaxInterval is not implemented correctly. This change is also part of the fix for 8024483.
Reviewed-by: mgerdin, brutisso, tschatzl
Contributed-by: jwha@google.com

Summary: Change checks for isHumongous() to continuesHumongous() as installing a code root for a humongous object is valid, but not for continuations of humongous objects. Cleaned up asserts.
Reviewed-by: jmasa, tamao

7057939: jmap shows MaxNewSize=4GB when Java is using parallel collector
Summary: Major cleanup of the collectorpolicy classes
Reviewed-by: tschatzl, jcoomes

Reviewed-by: jcoomes

Summary: Pass correct new value to post_barrer() in Unsafe.getAndSetObject() C1 intrinsic
Reviewed-by: kvn, roland

Summary: Put a band-aid to disable CHA-based inlining for interfaces with default methods in C1
Reviewed-by: kvn, twisti

Reviewed-by: duke

Summary: Fixed two compilation-breaking nits
Reviewed-by: sla, dholmes

Reviewed-by: stefank, ehelin, ysr, tschatzl

Reviewed-by: kvn, roland

Summary: filter() code for TypeKlassPtr not moved when permgen removal was introduced
Reviewed-by: twisti, iveresov

8026949: -Xint flag prints wrong warning: Initialization of C1 thread failed (no space to run compilers)
Summary: Exit compiler threads early during startup so that wrong error message is not printed
Reviewed-by: iveresov, twisti

Reviewed-by: jcoomes

Summary: Allocate compressed class space at end of Java heap.  For small heap sizes, without CDS, save some space so compressed classes can have the same favorable compression as oops
Reviewed-by: stefank, hseigel, goetz

8026822: metaspace/flags/maxMetaspaceSize throws OOM of unexpected type.java.lang.OutOfMemoryError: Compressed class space
Summary: Incorporate chunk size when seeing if OutOfMemoryError was caused by Metaspace or Compressed class space.
Reviewed-by: stefank, coleenp

8026940: assert(n->outcnt() != 0 || C->top() == n || n->is_Proj()) failed: No dead instructions after post-alloc
Summary: Remove input to junk phi if they also become dead during post_allocate_copy_removal
Reviewed-by: roland

Summary: Use HR timer when available for os::elapsed_counter() on linux/bsd. Add a new counter for the JVM uptime.
Reviewed-by: dholmes, sla