hg: jdk7/hotspot-gc/hotspot: 6902701: G1: protect debugging code related to 6898948 with a debug flag

[y.s.ramakrishna at sun.com]

Changeset: 23b9a8d315fc
Author:    ysr
Date:      2009-11-19 10:19 -0800
URL:       http://hg.openjdk.java.net/jdk7/hotspot-gc/hotspot/rev/23b9a8d315fc

6902701: G1: protect debugging code related to 6898948 with a debug flag
Summary: Protected stats dump with a new develop flag; other than for the dump, reconciled product and non-product behaviour in face of the error.
Reviewed-by: tonyp

! src/share/vm/gc_implementation/g1/g1CollectorPolicy.cpp
! src/share/vm/gc_implementation/g1/g1_globals.hpp