Summary: Changing the behavior of -XX:+PrintHeapAtGC for G1 from printing lengthy, per-region information to instead printing a concise summary.
Reviewed-by: ysr, apetrusenko, jcoomes

Summary: Move the secondary raw memory barrier to the correct place in generate_arraycopy().
Reviewed-by: never

Summary: Add missing test case for CR 6855164 from its bug description.
Reviewed-by: never

Summary: Don not split a block if it contains a FastLockNode with a PhiNode input.
Reviewed-by: kvn, never

Summary: Put missed reference to allocated array in copyOf() intrinsic into OopMap for the call slow_arraycopy().
Reviewed-by: never