6855834: G1: minimize the output when -XX:+PrintHeapAtGC is set
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
6857661: 64-bit server VM: assert(is_Initialize(),"invalid node class")
Summary: Move the secondary raw memory barrier to the correct place in generate_arraycopy().
Reviewed-by: never
6857707: Add missing test case for CR 6855164 from its bug description.
Summary: Add missing test case for CR 6855164 from its bug description.
Reviewed-by: never